Red Hat Security Advisory 2017-2635-01 - Red Hat JBoss Enterprise Application Platform is a platform for Java applications based on the JBoss Application Server. This release of Red Hat JBoss Enterprise Application Platform 6.4.17 serves as a replacement for Red Hat JBoss Enterprise Application Platform 6.4.16, and includes bug fixes and enhancements, which are documented in the Release Notes document linked to in the References. Security Fix: It was found that when using remote logging with log4j socket server the log4j server would deserialize any log event received via TCP or UDP. An attacker could use this flaw to send a specially crafted log event that, during deserialization, would execute arbitrary code in the context of the logger application.
98a346cb549f75e737c9f822095d637e791aba17b8c506b7ef6f23549bc4bcd1Red Hat Security Advisory 2017-2636-01 - Red Hat JBoss Enterprise Application Platform is a platform for Java applications based on the JBoss Application Server. This release of Red Hat JBoss Enterprise Application Platform 6.4.17 serves as a replacement for Red Hat JBoss Enterprise Application Platform 6.4.16, and includes bug fixes and enhancements, which are documented in the Release Notes document linked to in the References. Security Fix: It was found that when using remote logging with log4j socket server the log4j server would deserialize any log event received via TCP or UDP. An attacker could use this flaw to send a specially crafted log event that, during deserialization, would execute arbitrary code in the context of the logger application.
663a2493f3c4baf7ce5bce2b9d8739a6d8a826cda959588e5ca84f3b72ef6ffbRed Hat Security Advisory 2017-2633-01 - Red Hat JBoss Enterprise Application Platform is a platform for Java applications based on the JBoss Application Server. This release of Red Hat JBoss Enterprise Application Platform 6.4.17 serves as a replacement for Red Hat JBoss Enterprise Application Platform 6.4.16, and includes bug fixes and enhancements, which are documented in the Release Notes document linked to in the References. Security Fix: It was found that when using remote logging with log4j socket server the log4j server would deserialize any log event received via TCP or UDP. An attacker could use this flaw to send a specially crafted log event that, during deserialization, would execute arbitrary code in the context of the logger application.
4d514d885da4ae600f33a47db39df855d9250c6c94bd6ec0c6bcf7ec8f75d657Andrey Konovalov discovered a race condition in the UDP Fragmentation Offload (UFO) code in the Linux kernel. A local attacker could use this to cause a denial of service or execute arbitrary code. Andrey Konovalov discovered a race condition in AF_PACKET socket option handling code in the Linux kernel. A local unprivileged attacker could use this to cause a denial of service or possibly execute arbitrary code.
f1d27ee9e08fb4d7aba3b36609845fbfa5e959afbcd42c78b5b81f4e0bfae6dbUbuntu Security Notice 3386-2 - USN-3386-1 fixed vulnerabilities in the Linux kernel for Ubuntu 14.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement kernel from Ubuntu 14.04 LTS for Ubuntu 12.04 ESM. Andrey Konovalov discovered a race condition in the UDP Fragmentation Offload code in the Linux kernel. A local attacker could use this to cause a denial of service or execute arbitrary code. Various other issues were also addressed.
a876e7d4b791e40fefb320217a46bff63e6300d72ad9306f4f51b493d9536c67Ubuntu Security Notice 3386-1 - Andrey Konovalov discovered a race condition in the UDP Fragmentation Offload code in the Linux kernel. A local attacker could use this to cause a denial of service or execute arbitrary code. Andrey Konovalov discovered a race condition in AF_PACKET socket option handling code in the Linux kernel. A local unprivileged attacker could use this to cause a denial of service or possibly execute arbitrary code. Various other issues were also addressed.
647b2d1d1c8bb541cd4e3690728e76a854d20ea18c6dba3a92754a2e3124f25bUbuntu Security Notice 3385-2 - USN-3385-1 fixed vulnerabilities in the Linux kernel for Ubuntu 16.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement kernel from Ubuntu 16.04 LTS for Ubuntu 14.04 LTS. Andrey Konovalov discovered a race condition in the UDP Fragmentation Offload code in the Linux kernel. A local attacker could use this to cause a denial of service or execute arbitrary code. Various other issues were also addressed.
664a65bdbca4a92e2983a2e23ad4f87d42ad55a05cf9741672aaffa9b5128288Ubuntu Security Notice 3385-1 - Andrey Konovalov discovered a race condition in the UDP Fragmentation Offload code in the Linux kernel. A local attacker could use this to cause a denial of service or execute arbitrary code. Andrey Konovalov discovered a race condition in AF_PACKET socket option handling code in the Linux kernel. A local unprivileged attacker could use this to cause a denial of service or possibly execute arbitrary code. Various other issues were also addressed.
f410650ac5386976fb5b72d6502ef110b7e9e6a866a422120c929e5c641a36b1Ubuntu Security Notice 3384-2 - USN-3384-1 fixed vulnerabilities in the Linux kernel for Ubuntu 17.04. This update provides the corresponding updates for the Linux Hardware Enablement kernel from Ubuntu 17.04 for Ubuntu 16.04 LTS. Andrey Konovalov discovered a race condition in the UDP Fragmentation Offload code in the Linux kernel. A local attacker could use this to cause a denial of service or execute arbitrary code. Various other issues were also addressed.
f900ee14d39b21ba30d2c6c233e495641d3cbde809659718430d6eec5a923fb1Ubuntu Security Notice 3384-1 - Andrey Konovalov discovered a race condition in the UDP Fragmentation Offload code in the Linux kernel. A local attacker could use this to cause a denial of service or execute arbitrary code. Andrey Konovalov discovered a race condition in AF_PACKET socket option handling code in the Linux kernel. A local unprivileged attacker could use this to cause a denial of service or possibly execute arbitrary code. Various other issues were also addressed.
9c0a1ae85f7530bab528e798e750966790ccbf6b7702ec5330b525b7b5c41602Red Hat Security Advisory 2017-2423-01 - Log4j is a tool to help the programmer output log statements to a variety of output targets. Security Fix: It was found that when using remote logging with log4j socket server the log4j server would deserialize any log event received via TCP or UDP. An attacker could use this flaw to send a specially crafted log event that, during deserialization, would execute arbitrary code in the context of the logger application.
84382255e826dea01a925431a5a2c76c94c7e4af2c60c0fdce397f830546649aNmap 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.
330d94228f3196dc7481990435703ba1ab67bb95016ea073a11a361aa76f65efRed Hat Security Advisory 2017-1787-01 - collectd is a small C-language daemon, which reads various system metrics periodically and updates RRD files. Because the daemon does not start up each time it updates files, it has a low system footprint. The following packages have been upgraded to a later upstream version: collectd. Security Fix: collectd contains an infinite loop due to how the parse_packet() and parse_part_sign_sha256() functions interact. If an instance of collectd is configured with "SecurityLevel None" and empty "AuthFile" options, an attacker can send crafted UDP packets that trigger the infinite loop, causing a denial of service.
9fe4cce5befb77f355add009553c2ae645b6b416db689aea5c036985f29dd3acNmap 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.
40febe4a4e4b583aabcdd8cfceb6ae0f366dbb2fede96e4a529340bdb6d24776Red Hat Security Advisory 2017-1417-01 - Log4j is a tool to help the programmer output log statements to a variety of output targets. Security Fix: It was found that when using remote logging with log4j socket server the log4j server would deserialize any log event received via TCP or UDP. An attacker could use this flaw to send a specially crafted log event that, during deserialization, would execute arbitrary code in the context of the logger application.
2fd26e9591f0b2af566c13e0715e149d459ccde23acb9dba984c861a8c4fde23Red Hat Security Advisory 2017-1285-01 - collectd is a small C-language daemon, which reads various system metrics periodically and updates RRD files. Because the daemon does not start up each time it updates files, it has a low system footprint. The following packages have been upgraded to a newer upstream version: collectd. Security Fix: collectd contains an infinite loop due to how the parse_packet() and parse_part_sign_sha256() functions interact. If an instance of collectd is configured with "SecurityLevel None" and with empty "AuthFile" options an attacker can send crafted UDP packets that trigger the infinite loop, causing a denial of service.
776f60d9d717f98debe6591d5c749394531c12b7c6f20e209f53577feadf7e52FreeBSD Security Advisory - ipfilter(4), capable of stateful packet inspection, using the "keep state" or "keep frags" rule options, will not only maintain the state of connections, such as TCP streams or UDP communication, it also maintains the state of fragmented packets. When a packet fragments are received they are cached in a hash table (and linked list). When a fragment is received it is compared with fragments already cached in the hash table for a match. If it does not match the new entry is used to create a new entry in the hash table. If on the other hand it does match, unfortunately the wrong entry is freed, the entry in the hash table. This results in use after free panic (and for a brief moment prior to the panic a memory leak due to the wrong entry being freed). Carefully feeding fragments that are allowed to pass by an ipfilter(4) firewall can be used to cause a panic followed by reboot loop denial of service attack.
b89fc05b57fe99553d6a74a79295d9f06af2e8419b5f1dde9462382576ce7f24Red Hat Security Advisory 2017-0083-01 - Kernel-based Virtual Machine is a full virtualization solution for Linux on AMD64 and Intel 64 systems. The qemu-kvm packages provide the user-space component for running virtual machines using KVM. Security Fix: An out-of-bounds read-access flaw was found in the QEMU emulator built with IP checksum routines. The flaw could occur when computing a TCP/UDP packet's checksum, because a QEMU function used the packet's payload length without checking against the data buffer's size. A user inside a guest could use this flaw to crash the QEMU process.
7a2ddf762fdf561f4f7e2de69693c69e64a8bdb4866a74fcb53c283ad6694d3cRed Hat Security Advisory 2017-0025-01 - puppet-tripleo is a key component of the Red Hat OpenStack Platform director, which is a toolset for installing and managing a complete OpenStack environment. Security Fix: An access-control flaw was discovered in puppet-tripleo's IPtables rules management, which allowed the creation of TCP/UDP rules with empty port values. Some API services in Red Hat OpenStack Platform director are not exposed to public networks, which meant their $public_ssl_port value was set to empty. If SSL was enabled, a malicious user could use these open ports to gain access to unauthorized resources.
a48f9fb7ad9d056d3ec0c156296cccf20c24bff95d6d79a2420eb5be23242710Nmap 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.
ac35f64e820071efa768c34c96ed741b7278bbfce9fed776cd3200ca2d904a65ntpd versions 4.2.7p22 up to but not including 4.2.8p9 and 4.3.0 up to, but not including 4.3.94 suffer from a remote denial of service vulnerability. The vulnerability allow unauthenticated users to crash ntpd with a single malformed UDP packet, which cause a null pointer dereference.
79e55d8f072b5a9de6e9fff18dfbf9aa41a4fd7c069871b13d06e0ab37af3960Red Hat Security Advisory 2016-2603-02 - Libreswan is an implementation of IPsec & IKE for Linux. IPsec is the Internet Protocol Security and uses strong cryptography to provide both authentication and encryption services. These services allow you to build secure tunnels through untrusted networks such as virtual private network. Security Fix: A traffic amplification flaw was found in the Internet Key Exchange version 1 protocol. A remote attacker could use a libreswan server with IKEv1 enabled in a network traffic amplification denial of service attack against other hosts on the network by sending UDP packets with a spoofed source address to that server.
05b3b2e28657d631cce895e8b1e65bc1175b969ca8f48872019bea4b4749f5b9Nmap 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.
d83200195195cfecc4de311adfad6f5b6ad62f767f70d9cffc83a69a9abe1911493 bytes small windows x86 keylogger reverse UDP shellcode.
f11bedadec09c342e415dbbb48ae8a0d67b64276e604861a74ffc3513beb6137Nmap 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.
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