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ArcServe UDP 6.0.3792 Update 2 Build 516 Privilege Escalation
Posted Sep 5, 2016
Authored by sh4d0wman

ArcServe UDP version 6.0.3792 Update 2 Build 516 suffers from an unquoted service path privilege escalation vulnerability.

tags | exploit, udp
SHA-256 | 60e8d3aaf0076704f43111f68da655882145e5960f1bc49dfc61039bb6beafeb
Nmap Port Scanner 7.25BETA2
Posted Sep 2, 2016
Authored by Fyodor | Site insecure.org

Nmap is a utility for port scanning large networks, although it works fine for single hosts. Sometimes you need speed, other times you may need stealth. In some cases, bypassing firewalls may be required. Not to mention the fact that you may want to scan different protocols (UDP, TCP, ICMP, etc.). Nmap supports Vanilla TCP connect() scanning, TCP SYN (half open) scanning, TCP FIN, Xmas, or NULL (stealth) scanning, TCP ftp proxy (bounce attack) scanning, SYN/FIN scanning using IP fragments (bypasses some packet filters), TCP ACK and Window scanning, UDP raw ICMP port unreachable scanning, ICMP scanning (ping-sweep), TCP Ping scanning, Direct (non portmapper) RPC scanning, Remote OS Identification by TCP/IP Fingerprinting, and Reverse-ident scanning. Nmap also supports a number of performance and reliability features such as dynamic delay time calculations, packet timeout and retransmission, parallel port scanning, detection of down hosts via parallel pings.

Changes: Upgraded NSE to Lua 5.3, adding bitwise operators, integer data type, a utf8 library, and native binary packing and unpacking functions. Added 2 NSE scripts, bringing the total up to 534. Integrated service/version detection fingerprints submitted from January to April (578 of them). Various other updates and improvements. 19th birthday release of nmap!
tags | tool, remote, udp, tcp, protocol, nmap
systems | unix
SHA-256 | cf821bfab2ee31b059dc6c1fd4a93f531247bf73683b4dbee88e378bd19a00df
Nmap Port Scanner 7.25BETA1
Posted Jul 19, 2016
Authored by Fyodor | Site insecure.org

Nmap is a utility for port scanning large networks, although it works fine for single hosts. Sometimes you need speed, other times you may need stealth. In some cases, bypassing firewalls may be required. Not to mention the fact that you may want to scan different protocols (UDP, TCP, ICMP, etc.). Nmap supports Vanilla TCP connect() scanning, TCP SYN (half open) scanning, TCP FIN, Xmas, or NULL (stealth) scanning, TCP ftp proxy (bounce attack) scanning, SYN/FIN scanning using IP fragments (bypasses some packet filters), TCP ACK and Window scanning, UDP raw ICMP port unreachable scanning, ICMP scanning (ping-sweep), TCP Ping scanning, Direct (non portmapper) RPC scanning, Remote OS Identification by TCP/IP Fingerprinting, and Reverse-ident scanning. Nmap also supports a number of performance and reliability features such as dynamic delay time calculations, packet timeout and retransmission, parallel port scanning, detection of down hosts via parallel pings.

Changes: Nmap now ships with and uses Npcap, our new packet sniffing library for Windows. It's based on WinPcap (unmaintained for years), but uses modern Windows APIs for better performance. It also includes security improvements and many bug fixes.6 NSE scripts have been added. 98 fingerprints have been added.
tags | tool, remote, udp, scanner, tcp, protocol
systems | linux, unix
SHA-256 | 8b1eab8536e0255a2e225617dce831c3b6bf520fd5ddfc2f04a2f7663be2cb6a
Red Hat Security Advisory 2016-1225-01
Posted Jun 14, 2016
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2016-1225-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix: Two flaws were found in the way the Linux kernel's networking implementation handled UDP packets with incorrect checksum values. A remote attacker could potentially use these flaws to trigger an infinite loop in the kernel, resulting in a denial of service on the system, or cause a denial of service in applications using the edge triggered epoll functionality.

tags | advisory, remote, denial of service, kernel, udp
systems | linux, redhat
advisories | CVE-2015-5364, CVE-2015-5366
SHA-256 | 364610f04598d8202fdec3d76c56b7be088799140f67a757409f5a39d388d3a5
Red Hat Security Advisory 2016-1100-01
Posted May 24, 2016
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2016-1100-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix: Two flaws were found in the way the Linux kernel's networking implementation handled UDP packets with incorrect checksum values. A remote attacker could potentially use these flaws to trigger an infinite loop in the kernel, resulting in a denial of service on the system, or cause a denial of service in applications using the edge triggered epoll functionality.

tags | advisory, remote, denial of service, kernel, udp
systems | linux, redhat
advisories | CVE-2015-5364, CVE-2015-5366
SHA-256 | b70f2e42ede5e8da8e1e8e7a87cd9775e00d40e084a51ce37fc464b37cd86495
Red Hat Security Advisory 2016-1096-01
Posted May 23, 2016
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2016-1096-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix: Two flaws were found in the way the Linux kernel's networking implementation handled UDP packets with incorrect checksum values. A remote attacker could potentially use these flaws to trigger an infinite loop in the kernel, resulting in a denial of service on the system, or cause a denial of service in applications using the edge triggered epoll functionality.

tags | advisory, remote, denial of service, kernel, udp
systems | linux, redhat
advisories | CVE-2015-5364, CVE-2015-5366
SHA-256 | d6f494c765f33232f531d11b2e6eda22f2c43ad3b026c0288860ab76b60b61d2
Asterisk Project Security Advisory - AST-2016-005
Posted Apr 14, 2016
Authored by Mark Michelson, George Joseph | Site asterisk.org

Asterisk Project Security Advisory - PJProject has a limit on the number of TCP connections that it can accept. Furthermore, PJProject does not close TCP connections it accepts. By default, this value is approximately 60. An attacker can deplete the number of allowed TCP connections by opening TCP connections and sending no data to Asterisk. If PJProject has been compiled in debug mode, then once the number of allowed TCP connections has been depleted, the next attempted TCP connection to Asterisk will crash due to an assertion in PJProject. If PJProject has not been compiled in debug mode, then any further TCP connection attempts will be rejected. This makes Asterisk unable to process TCP SIP traffic. Note that this only affects TCP/TLS, since UDP is connectionless. Also note that this does not affect chan_sip.

tags | advisory, udp, tcp
SHA-256 | 122646434ef3ffdbf4f736e5ba7648af84f7dff43cfe57162960b91becc450fd
Nmap Port Scanner 7.12
Posted Mar 30, 2016
Authored by Fyodor | Site insecure.org

Nmap is a utility for port scanning large networks, although it works fine for single hosts. Sometimes you need speed, other times you may need stealth. In some cases, bypassing firewalls may be required. Not to mention the fact that you may want to scan different protocols (UDP, TCP, ICMP, etc.). Nmap supports Vanilla TCP connect() scanning, TCP SYN (half open) scanning, TCP FIN, Xmas, or NULL (stealth) scanning, TCP ftp proxy (bounce attack) scanning, SYN/FIN scanning using IP fragments (bypasses some packet filters), TCP ACK and Window scanning, UDP raw ICMP port unreachable scanning, ICMP scanning (ping-sweep), TCP Ping scanning, Direct (non portmapper) RPC scanning, Remote OS Identification by TCP/IP Fingerprinting, and Reverse-ident scanning. Nmap also supports a number of performance and reliability features such as dynamic delay time calculations, packet timeout and retransmission, parallel port scanning, detection of down hosts via parallel pings.

Changes: Fixed a file corruption issue in Zenmap. Added new service probes and match lines for OpenVPN on UDP and TCP. NSE related VNC updates including vnc-brute support for TLS security type and negotiating a lower RFB version if the server sends an unknown higher version. NSE update with STARTTLS support added for VNC, NNTP, and LMTP.
tags | tool, remote, udp, tcp, protocol, nmap
systems | linux, unix
SHA-256 | a60a9035349322f1026907d67e4d424dc3011c044a733ff8722df8b50289fbee
innovaphone IP222 UDP Denial Of Service
Posted Mar 24, 2016
Authored by Sven Freund | Site syss.de

The innovaphone IP222 offers different protocols, like H.323 or SIP, to fulfil the various requirements. The discovered vulnerability was found in the protocol SIP/UDP. Therefore a specially crafted SIP request to the open 5060/UDP port causes a denial of service condition by crashing the innovaphone IP222 phone immediately. Remote code execution via this security vulnerability may also be possible, but was not confirmed by the SySS GmbH.

tags | exploit, remote, denial of service, udp, code execution, protocol
SHA-256 | cfc0d7614928d7e4d648a995ef8fdeb119a75e0ac44cc1cd7ece00e5e46a6931
Nmap Port Scanner 7.11
Posted Mar 23, 2016
Authored by Fyodor | Site insecure.org

Nmap is a utility for port scanning large networks, although it works fine for single hosts. Sometimes you need speed, other times you may need stealth. In some cases, bypassing firewalls may be required. Not to mention the fact that you may want to scan different protocols (UDP, TCP, ICMP, etc.). Nmap supports Vanilla TCP connect() scanning, TCP SYN (half open) scanning, TCP FIN, Xmas, or NULL (stealth) scanning, TCP ftp proxy (bounce attack) scanning, SYN/FIN scanning using IP fragments (bypasses some packet filters), TCP ACK and Window scanning, UDP raw ICMP port unreachable scanning, ICMP scanning (ping-sweep), TCP Ping scanning, Direct (non portmapper) RPC scanning, Remote OS Identification by TCP/IP Fingerprinting, and Reverse-ident scanning. Nmap also supports a number of performance and reliability features such as dynamic delay time calculations, packet timeout and retransmission, parallel port scanning, detection of down hosts via parallel pings.

Changes: Added some support and fixed some crashes.
tags | tool, remote, udp, tcp, protocol, nmap
systems | linux, unix
SHA-256 | dfc95db3a8ee4c56650dbaa5a1a1e989b2963de8faea2531c21e6fd6e0bccc2a
Cisco Security Advisory 20160323-lisp
Posted Mar 23, 2016
Authored by Cisco Systems | Site cisco.com

Cisco Security Advisory - A vulnerability in the Locator/ID Separation Protocol (LISP) of Cisco IOS Software running on the Cisco Catalyst 6500 and 6800 Series Switches and Cisco NX-OS Software running on the Cisco Nexus 7000 and Nexus 7700 Series Switches with an M1 Series Gigabit Ethernet Module could allow an unauthenticated, remote attacker to cause a reload of the vulnerable device. The vulnerability is due to a lack of proper input validation when a malformed LISP packet header is received. An attacker could exploit this vulnerability by sending a malformed LISP packet on UDP port 4341. An exploit could allow the attacker to cause a denial of service (DoS) condition. Cisco has released software updates that address this vulnerability.

tags | advisory, remote, denial of service, udp, protocol
systems | cisco
SHA-256 | 1d37c1dacd7682c9ff94e7579f5aa202f95e8e0753652ea482a401163e4f4696
Cisco Security Advisory 20160323-ios-ikev2
Posted Mar 23, 2016
Authored by Cisco Systems | Site cisco.com

Cisco Security Advisory - A vulnerability in the Internet Key Exchange (IKE) version 2 (v2) fragmentation code of Cisco IOS and IOS XE Software could allow an unauthenticated, remote attacker to cause a reload of the affected system. The vulnerability is due to an improper handling of crafted, fragmented IKEv2 packets. An attacker could exploit this vulnerability by sending crafted UDP packets to the affected system. An exploit could allow the attacker to cause a reload of the affected system. Note: Only traffic directed to the affected system can be used to exploit this vulnerability. This vulnerability can be triggered by IPv4 and IPv6 traffic.

tags | advisory, remote, udp
systems | cisco, osx
SHA-256 | 210ad4da6ac20b8601b82dc32071c53bf698d18f5db91e2d3b3ed794abbfca80
Nmap Port Scanner 7.10
Posted Mar 19, 2016
Authored by Fyodor | Site insecure.org

Nmap is a utility for port scanning large networks, although it works fine for single hosts. Sometimes you need speed, other times you may need stealth. In some cases, bypassing firewalls may be required. Not to mention the fact that you may want to scan different protocols (UDP, TCP, ICMP, etc.). Nmap supports Vanilla TCP connect() scanning, TCP SYN (half open) scanning, TCP FIN, Xmas, or NULL (stealth) scanning, TCP ftp proxy (bounce attack) scanning, SYN/FIN scanning using IP fragments (bypasses some packet filters), TCP ACK and Window scanning, UDP raw ICMP port unreachable scanning, ICMP scanning (ping-sweep), TCP Ping scanning, Direct (non portmapper) RPC scanning, Remote OS Identification by TCP/IP Fingerprinting, and Reverse-ident scanning. Nmap also supports a number of performance and reliability features such as dynamic delay time calculations, packet timeout and retransmission, parallel port scanning, detection of down hosts via parallel pings.

Changes: Integrated 12 IPv6 OS fingerprint submissions. Integrated all service/version fingerprinted submitted. Various other updates and fixes.
tags | tool, remote, udp, tcp, protocol, nmap
systems | linux, unix
SHA-256 | 68ec401a2da77864ac0a598db6a82ad26a7156df1f5d576dafbe7aa1d720783d
HPE Security Bulletin HPSBUX03437 SSRT110025 1
Posted Feb 18, 2016
Authored by Hewlett Packard Enterprise | Site hpe.com

HPE Security Bulletin HPSBUX03437 SSRT110025 1 - A potential security vulnerability has been identified with HP-UX running HP-UX IPFilter. The vulnerability could be remotely exploited to cause a denial of service (DoS). Note: The vulnerability only exists when HP-UX IPFilter rules are configured for UDP protocol packets and the keep state option is used in that IPFilter rule. Revision 1 of this advisory.

tags | advisory, denial of service, udp, protocol
systems | hpux
advisories | CVE-2016-1987
SHA-256 | 2745eb916db8a309777acd800fa647b1859849b68fee1ffb2d5313663544bfe5
Cisco Security Advisory 20160210-asa-ike
Posted Feb 11, 2016
Authored by Cisco Systems | Site cisco.com

Cisco Security Advisory - A vulnerability in the Internet Key Exchange (IKE) version 1 (v1) and IKE version 2 (v2) code of Cisco ASA Software could allow an unauthenticated, remote attacker to cause a reload of the affected system or to remotely execute code. The vulnerability is due to a buffer overflow in the affected code area. An attacker could exploit this vulnerability by sending crafted UDP packets to the affected system. An exploit could allow the attacker to execute arbitrary code and obtain full control of the system or to cause a reload of the affected system. Note: Only traffic directed to the affected system can be used to exploit this vulnerability. This vulnerability affects systems configured in routed firewall mode only and in single or multiple context mode. This vulnerability can be triggered by IPv4 and IPv6 traffic.

tags | advisory, remote, overflow, arbitrary, udp
systems | cisco
SHA-256 | b39dc515a9918053d756c99939d54b8d713da1f97c251287ddcae2d2b507a879
Red Hat Security Advisory 2016-0045-01
Posted Jan 19, 2016
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2016-0045-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Two flaws were found in the way the Linux kernel's networking implementation handled UDP packets with incorrect checksum values. A remote attacker could potentially use these flaws to trigger an infinite loop in the kernel, resulting in a denial of service on the system, or cause a denial of service in applications using the edge triggered epoll functionality. All kernel users are advised to upgrade to these updated packages, which contain backported patches to correct these issues. The system must be rebooted for this update to take effect.

tags | advisory, remote, denial of service, kernel, udp
systems | linux, redhat
advisories | CVE-2015-5364, CVE-2015-5366
SHA-256 | 63fa4582542d5d5c4e96f11b23581379678336693efaff0c672ad38a91904f82
Ubuntu Security Notice USN-2868-1
Posted Jan 13, 2016
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 2868-1 - Sebastian Poehn discovered that the DHCP server, client, and relay incorrectly handled certain malformed UDP packets. A remote attacker could use this issue to cause the DHCP server, client, or relay to stop responding, resulting in a denial of service.

tags | advisory, remote, denial of service, udp
systems | linux, ubuntu
advisories | CVE-2015-8605
SHA-256 | c5a7a3c159969f4761a1a33373c3d712d4644dd05a52df278088429555d95a96
Red Hat Security Advisory 2016-0005-01
Posted Jan 7, 2016
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2016-0005-01 - The rpcbind utility is a server that converts RPC program numbers into universal addresses. It must be running on the host to be able to make RPC calls on a server on that machine. A use-after-free flaw related to the PMAP_CALLIT operation and TCP/UDP connections was discovered in rpcbind. A remote attacker could possibly exploit this flaw to crash the rpcbind service by performing a series of UDP and TCP calls. All rpcbind users are advised to upgrade to these updated packages, which contain a backported patch to correct this issue. If the rpcbind service is running, it will be automatically restarted after installing this update.

tags | advisory, remote, udp, tcp
systems | linux, redhat
advisories | CVE-2015-7236
SHA-256 | ba77d1ef8f14f6a9cc7ef813be30ad166ae7d317dfe5cfad13ef388020ea8b53
Nmap Port Scanner 7.01
Posted Dec 11, 2015
Authored by Fyodor | Site insecure.org

Nmap is a utility for port scanning large networks, although it works fine for single hosts. Sometimes you need speed, other times you may need stealth. In some cases, bypassing firewalls may be required. Not to mention the fact that you may want to scan different protocols (UDP, TCP, ICMP, etc.). Nmap supports Vanilla TCP connect() scanning, TCP SYN (half open) scanning, TCP FIN, Xmas, or NULL (stealth) scanning, TCP ftp proxy (bounce attack) scanning, SYN/FIN scanning using IP fragments (bypasses some packet filters), TCP ACK and Window scanning, UDP raw ICMP port unreachable scanning, ICMP scanning (ping-sweep), TCP Ping scanning, Direct (non portmapper) RPC scanning, Remote OS Identification by TCP/IP Fingerprinting, and Reverse-ident scanning. Nmap also supports a number of performance and reliability features such as dynamic delay time calculations, packet timeout and retransmission, parallel port scanning, detection of down hosts via parallel pings.

Changes: Switched to using gtk-mac-bundler and jhbuild for building the OS X installer. The Windows installer is now built with NSIS 2.47 which features LoadLibrary security hardening to prevent DLL hijacking and other unsafe use of temporary directories. Various other updates and fixes.
tags | tool, remote, udp, tcp, protocol, nmap
systems | linux, unix
SHA-256 | 8caf3acbe93c0fa0a685c3e6fb3a5f80ce49936bd7d40269a09b3ead6fd85ed5
Legend Perl IRC Bot Remote Code Execution
Posted Dec 11, 2015
Authored by Jay Turla | Site metasploit.com

This Metasploit module exploits a remote command execution on the Legend Perl IRC Bot . This bot has been used as a payload in the Shellshock spam last October 2014. This particular bot has functionalities like NMAP scanning, TCP, HTTP, SQL, and UDP flooding, the ability to remove system logs, and ability to gain root, and VNC scanning. Kevin Stevens, a Senior Threat Researcher at Damballa has uploaded this script to VirusTotal with a md5 of 11a9f1589472efa719827079c3d13f76.

tags | exploit, remote, web, root, udp, perl, tcp
SHA-256 | 0cc139b4c6b9c45be686acca2dd23b5b8721a770d99f66699d03a8dd546d9d45
Nmap Port Scanner 7.00
Posted Nov 20, 2015
Authored by Fyodor | Site insecure.org

Nmap is a utility for port scanning large networks, although it works fine for single hosts. Sometimes you need speed, other times you may need stealth. In some cases, bypassing firewalls may be required. Not to mention the fact that you may want to scan different protocols (UDP, TCP, ICMP, etc.). Nmap supports Vanilla TCP connect() scanning, TCP SYN (half open) scanning, TCP FIN, Xmas, or NULL (stealth) scanning, TCP ftp proxy (bounce attack) scanning, SYN/FIN scanning using IP fragments (bypasses some packet filters), TCP ACK and Window scanning, UDP raw ICMP port unreachable scanning, ICMP scanning (ping-sweep), TCP Ping scanning, Direct (non portmapper) RPC scanning, Remote OS Identification by TCP/IP Fingerprinting, and Reverse-ident scanning. Nmap also supports a number of performance and reliability features such as dynamic delay time calculations, packet timeout and retransmission, parallel port scanning, detection of down hosts via parallel pings.

Changes: This is the product of three and a half years of work, nearly 3200 code commits, and more than a dozen point releases since the big Nmap 6 release in May 2012. Nmap turned 18 years old in September this year and celebrates its birthday with 171 new NSE scripts, expanded IPv6 support, world-class SSL/TLS analysis, and more user-requested features than ever.
tags | tool, remote, udp, tcp, protocol, nmap
systems | linux, unix
SHA-256 | 8ba3248e6e1443114b62822786d17681e312c6ed6c2bb609b692700776aba2a4
Ubuntu Security Notice USN-2810-1
Posted Nov 12, 2015
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 2810-1 - It was discovered that the Kerberos kpasswd service incorrectly handled certain UDP packets. A remote attacker could possibly use this issue to cause resource consumption, resulting in a denial of service. This issue only affected Ubuntu 12.04 LTS. It was discovered that Kerberos incorrectly handled null bytes in certain data fields. A remote attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 12.04 LTS and Ubuntu 14.04 LTS. Various other issues were also addressed.

tags | advisory, remote, denial of service, udp
systems | linux, ubuntu
advisories | CVE-2002-2443, CVE-2014-5355, CVE-2015-2694, CVE-2015-2695, CVE-2015-2696, CVE-2015-2697, CVE-2015-2698
SHA-256 | 54cd41e88f3b572fc0172f18b2a69d4bc309121aab39e9d9df3fcb5f00087252
Nmap Port Scanner 6.49BETA6
Posted Nov 4, 2015
Authored by Fyodor | Site insecure.org

Nmap is a utility for port scanning large networks, although it works fine for single hosts. Sometimes you need speed, other times you may need stealth. In some cases, bypassing firewalls may be required. Not to mention the fact that you may want to scan different protocols (UDP, TCP, ICMP, etc.). Nmap supports Vanilla TCP connect() scanning, TCP SYN (half open) scanning, TCP FIN, Xmas, or NULL (stealth) scanning, TCP ftp proxy (bounce attack) scanning, SYN/FIN scanning using IP fragments (bypasses some packet filters), TCP ACK and Window scanning, UDP raw ICMP port unreachable scanning, ICMP scanning (ping-sweep), TCP Ping scanning, Direct (non portmapper) RPC scanning, Remote OS Identification by TCP/IP Fingerprinting, and Reverse-ident scanning. Nmap also supports a number of performance and reliability features such as dynamic delay time calculations, packet timeout and retransmission, parallel port scanning, detection of down hosts via parallel pings.

Changes: Integrated all IPv6 OS fingerprint submissions from April to October. Integrated all IPv4 OS fingerprint submissions from February to October. Added 10 NSE scripts from 5 authors. Various other additions and updates.
tags | tool, remote, udp, tcp, protocol, nmap
systems | linux, unix
SHA-256 | 39ee855b889b766abd408da29285dfb2414d959de62384a8076a9dcd406a8c59
Cisco Security Advisory 20151021-asa-ike
Posted Oct 22, 2015
Authored by Cisco Systems | Site cisco.com

Cisco Security Advisory - A vulnerability in the Internet Key Exchange (IKE) version 1 (v1) code of Cisco Adaptive Security Appliance (ASA) Software could allow an unauthenticated, remote attacker to cause an affected system to reload. The vulnerability is due to improper handling of Internet Security Association and Key Management Protocol (ISAKMP) packets. An attacker could exploit this vulnerability by sending crafted UDP packets to the affected system. A successful exploit could allow the attacker to cause an affected system to reload.

tags | advisory, remote, udp, protocol
systems | cisco
SHA-256 | 7d4c5d946c180d7db530886cb28a882fa6b9283d15f09d4167f604144f2962a9
Red Hat Security Advisory 2015-1788-01
Posted Sep 17, 2015
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2015-1788-01 - The kernel-rt packages contain the Linux kernel, the core of any Linux operating system. A flaw was found in the kernel's implementation of the Berkeley Packet Filter. A local attacker could craft BPF code to crash the system by creating a situation in which the JIT compiler would fail to correctly optimize the JIT image on the last pass. This would lead to the CPU executing instructions that were not part of the JIT code. Two flaws were found in the way the Linux kernel's networking implementation handled UDP packets with incorrect checksum values. A remote attacker could potentially use these flaws to trigger an infinite loop in the kernel, resulting in a denial of service on the system, or cause a denial of service in applications using the edge triggered epoll functionality.

tags | advisory, remote, denial of service, kernel, local, udp
systems | linux, redhat
advisories | CVE-2014-9585, CVE-2015-0275, CVE-2015-1333, CVE-2015-3212, CVE-2015-4700, CVE-2015-5364, CVE-2015-5366
SHA-256 | 25d0c7614c07675f849c3b6d3284745ade70ce6f99faadcd640f7598d955b66c
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