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TCP Files

Nmap Port Scanner 7.60
Posted Aug 2, 2017
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: Updated the bundled Npcap from 0.91 to 0.93, fixing several issues with installation and compatibility with the Windows 10 Creators Update. NSE scripts now have complete SSH support via libssh2, including password brute-forcing and running remote commands, thanks to the combined efforts of three Summer of Code students. Added 14 NSE scripts from 6 authors, bringing the total up to 579! Various other updates.
tags | tool, remote, udp, tcp, protocol, nmap
systems | unix
MD5 | 91e199d556ab5587958777ad45fe47d1
Linux x86 TCP Reverse Shell
Posted Jul 27, 2017
Authored by wetw0rk

97 bytes small Linux/x86 reverse tcp shell shellcode with no NULLs.

tags | shell, x86, tcp, shellcode
systems | linux
MD5 | 2eae0af7fba90fcf388c03ecca6c1eef
Metasploit Example Exploit
Posted Jul 15, 2017
Authored by skape | Site metasploit.com

This exploit module illustrates how a vulnerability could be exploited in an TCP server that has a parsing bug. This is an example Metasploit module to be used for exploit development.

tags | exploit, tcp
MD5 | a051fa899bec6d0fada4a0dec3a97a8d
GoAutoDial 3.3 Authentication Bypass / Command Injection
Posted Jul 5, 2017
Authored by Chris McCurley | Site metasploit.com

This Metasploit module exploits a SQL injection flaw in the login functionality for GoAutoDial version 3.3-1406088000 and below, and attempts to perform command injection. This also attempts to retrieve the admin user details, including the cleartext password stored in the underlying database. Command injection will be performed with root privileges. The default pre-packaged ISO builds are available from goautodial.org. Currently, the hardcoded command injection payload is an encoded reverse-tcp bash one-liner and the handler should be setup to receive it appropriately.

tags | exploit, root, tcp, sql injection, bash
advisories | CVE-2015-2843, CVE-2015-2845
MD5 | 06c8713656083241fef0e30117e4a409
Linux/x86 Reverse TCP Shellcode
Posted Jul 5, 2017
Authored by Geyslan G. Bem

67 bytes small Linux/x86 reverse TCP shellcode.

tags | x86, tcp, shellcode
systems | linux
MD5 | 842638c13eb52e710504c2fbb9b1236a
Samhain File Integrity Checker 4.2.2
Posted Jul 3, 2017
Authored by Rainer Wichmann | Site samhain.sourceforge.net

Samhain is a file system integrity checker that can be used as a client/server application for centralized monitoring of networked hosts. Databases and configuration files can be stored on the server. Databases, logs, and config files can be signed for tamper resistance. In addition to forwarding reports to the log server via authenticated TCP/IP connections, several other logging facilities (e-mail, console, and syslog) are available. Tested on Linux, AIX, HP-UX, Unixware, Sun and Solaris.

Changes: Various updates.
tags | tool, tcp, intrusion detection
systems | linux, unix, solaris, aix, hpux, unixware
MD5 | 41f58fdef3310aba71f39410af5b23dc
Bettercap 1.6.1
Posted Jun 30, 2017
Authored by evilsocket | Site bettercap.org

BetterCAP is a powerful, flexible, and portable tool created to perform various types of MITM attacks against a network, manipulate HTTP, HTTPS and TCP traffic in realtime, sniff for credentials and much more.

Changes: Huge improvement on HTTPS parser, now it parses TLS Client Hello messages with SNI extension in order to extract the real hostname. Removed IPv6 specific options, use of IPv6 is automatically detected now. Updated BSD firewall manager to support IPv6 forwarding. IPv6 port redirection option. Various other updates and improvements.
tags | tool, web, sniffer, tcp
systems | unix
MD5 | 3652340784b3aea6917af77f803c7e7e
Red Hat Security Advisory 2017-1546-01
Posted Jun 20, 2017
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2017-1546-01 - Red Hat OpenStack Platform director provides the facilities for deploying and monitoring a private or public infrastructure-as-a-service cloud based on Red Hat OpenStack Platform. Security Fix: A design flaw issue was found in the Red Hat OpenStack Platform director use of TripleO to enable libvirtd based live-migration. Libvirtd is deployed by default listening on 0.0.0.0 with no-authentication or encryption. Anyone able to make a TCP connection to any compute host IP address, including 127.0.0.1, other loopback interface addresses, or in some cases possibly addresses that have been exposed beyond the management interface, could use this to open a virsh session to the libvirtd instance and gain control of virtual machine instances or possibly take over the host.

tags | advisory, tcp
systems | linux, redhat
advisories | CVE-2017-2637
MD5 | 1561423c4dd09ab0763c34593d0d1fa2
Red Hat Security Advisory 2017-1537-01
Posted Jun 20, 2017
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2017-1537-01 - Red Hat OpenStack Platform director provides the facilities for deploying and monitoring a private or public infrastructure-as-a-service cloud based on Red Hat OpenStack Platform. Security Fix: A design flaw issue was found in the Red Hat OpenStack Platform director use of TripleO to enable libvirtd based live-migration. Libvirtd is deployed by default listening on 0.0.0.0 with no-authentication or encryption. Anyone able to make a TCP connection to any compute host IP address, including 127.0.0.1, other loopback interface addresses, or in some cases possibly addresses that have been exposed beyond the management interface, could use this to open a virsh session to the libvirtd instance and gain control of virtual machine instances or possibly take over the host.

tags | advisory, tcp
systems | linux, redhat
advisories | CVE-2017-2637
MD5 | bc8171c0f59164a736e3472f2c75532c
Red Hat Security Advisory 2017-1504-01
Posted Jun 19, 2017
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2017-1504-01 - Red Hat OpenStack Platform director provides the facilities for deploying and monitoring a private or public infrastructure-as-a-service cloud based on Red Hat OpenStack Platform. Security Fix: A design flaw issue was found in the Red Hat OpenStack Platform director use of TripleO to enable libvirtd based live-migration. Libvirtd is deployed by default listening on 0.0.0.0 with no-authentication or encryption. Anyone able to make a TCP connection to any compute host IP address, including 127.0.0.1, other loopback interface addresses, or in some cases possibly addresses that have been exposed beyond the management interface, could use this to open a virsh session to the libvirtd instance and gain control of virtual machine instances or possibly take over the host.

tags | advisory, tcp
systems | linux, redhat
advisories | CVE-2017-2637
MD5 | 4f75b029c1881b45fdc935307090b9b5
Nmap Port Scanner 7.50
Posted Jun 14, 2017
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 of the service/version detection fingerprints submitted from September to March (855 of them). The signature count went up 2.9% to 11,418. It now detects 1193 protocols from apachemq, bro, and clickhouse to jmon, slmp, and zookeeper. Added 14 NSE scripts from 12 authors, bringing the total up to 566! Various other updates.
tags | tool, remote, udp, tcp, protocol, nmap
systems | unix
MD5 | 800a67cfe2b0fbbd159793467debd71a
Red Hat Security Advisory 2017-1417-01
Posted Jun 8, 2017
Authored by Red Hat | Site access.redhat.com

Red 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.

tags | advisory, remote, arbitrary, udp, tcp
systems | linux, redhat
advisories | CVE-2017-5645
MD5 | 99cf9de68f8e84856df2d79d2efa7399
Red Hat Security Advisory 2017-1242-01
Posted May 18, 2017
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2017-1242-01 - Red Hat OpenStack Platform director provides the facilities for deploying and monitoring a private or public infrastructure-as-a-service cloud based on Red Hat OpenStack Platform. Security Fix: A design flaw issue was found in the Red Hat OpenStack Platform director use of TripleO to enable libvirtd based live-migration. Libvirtd is deployed by default listening on 0.0.0.0 with no-authentication or encryption. Anyone able to make a TCP connection to any compute host IP address, including 127.0.0.1, other loopback interface addresses, or in some cases possibly addresses that have been exposed beyond the management interface, could use this to open a virsh session to the libvirtd instance and gain control of virtual machine instances or possibly take over the host.

tags | advisory, tcp
systems | linux, redhat
advisories | CVE-2017-2637
MD5 | 969b25542f127e824916cbc7dc56ac9b
Ubuntu Security Notice USN-3290-1
Posted May 17, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3290-1 - Marco Grassi discovered that the TCP implementation in the Linux kernel mishandles socket buffer truncation. A local attacker could use this to cause a denial of service.

tags | advisory, denial of service, kernel, local, tcp
systems | linux, ubuntu
advisories | CVE-2016-8645
MD5 | b5b20d67d01ca9a97f17d5350a1c9841
FreeBSD Security Advisory - FreeBSD-SA-17:04.ipfilter
Posted Apr 27, 2017
Authored by Cy Schubert | Site security.freebsd.org

FreeBSD 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.

tags | advisory, denial of service, udp, tcp, memory leak
systems | freebsd
advisories | CVE-2017-1081
MD5 | 52202a1372fafbdf07a4259245a5e409
Starscream 2.0.3 SSL Pinning Bypass
Posted Apr 21, 2017
Authored by Giuliano Galea, Lukas Futera

WebSocket.swift in Starscream versions 2.0.3 and below allows an SSL Pinning bypass because of incorrect management of the certValidated variable (it can be set to true but cannot be set to false). An attacker can achieve traffic interception from a man-in-the-middle position, first by resetting the TCP connection between the client and server, and afterwards by injecting an SSL server certificates they control.

tags | advisory, tcp, bypass, info disclosure
advisories | CVE-2017-7192
MD5 | 4a7af40db402a792926151e595919340
Samhain File Integrity Checker 4.2.1
Posted Apr 6, 2017
Authored by Rainer Wichmann | Site samhain.sourceforge.net

Samhain is a file system integrity checker that can be used as a client/server application for centralized monitoring of networked hosts. Databases and configuration files can be stored on the server. Databases, logs, and config files can be signed for tamper resistance. In addition to forwarding reports to the log server via authenticated TCP/IP connections, several other logging facilities (e-mail, console, and syslog) are available. Tested on Linux, AIX, HP-UX, Unixware, Sun and Solaris.

Changes: Various updates.
tags | tool, tcp, intrusion detection
systems | linux, unix, solaris, aix, hpux, unixware
MD5 | 40fdc9d20233e6c63da2ecd3a623fbe2
Red Hat Security Advisory 2017-0794-01
Posted Mar 21, 2017
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2017-0794-01 - The quagga packages contain Quagga, the free network-routing software suite that manages TCP/IP based protocols. Quagga supports the BGP4, BGP4+, OSPFv2, OSPFv3, RIPv1, RIPv2, and RIPng protocols, and is intended to be used as a Route Server and Route Reflector. Security Fix: A stack-based buffer overflow flaw was found in the way Quagga handled IPv6 router advertisement messages. A remote attacker could use this flaw to crash the zebra daemon resulting in denial of service.

tags | advisory, remote, denial of service, overflow, tcp, protocol
systems | linux, redhat
advisories | CVE-2013-2236, CVE-2016-1245, CVE-2016-2342, CVE-2016-4049, CVE-2017-5495
MD5 | c843d51004ac9904d1165c5bf312bb06
Cisco Security Advisory 20170315-asr
Posted Mar 16, 2017
Authored by Cisco Systems | Site cisco.com

Cisco Security Advisory - A privilege escalation vulnerability in the Secure Shell (SSH) subsystem in the StarOS operating system for Cisco ASR 5000 Series, ASR 5500 Series, ASR 5700 Series devices, and Cisco Virtualized Packet Core could allow an authenticated, remote attacker to gain unrestricted, root shell access. The vulnerability is due to missing input validation of parameters passed during SSH or SFTP login. An attacker could exploit this vulnerability by providing crafted user input to the SSH or SFTP command-line interface (CLI) during SSH or SFTP login. An exploit could allow an authenticated attacker to gain root privileges access on the router. Note: Only traffic directed to the affected system can be used to exploit this vulnerability. This vulnerability can be triggered via both IPv4 and IPv6 traffic. An established TCP connection toward port 22, the SSH default port, is needed to perform the attack. The attacker must have valid credentials to login to the system via SSH or SFTP. Cisco has released software updates that address this vulnerability. Workarounds that mitigate this vulnerability are not available.

tags | advisory, remote, shell, root, tcp
systems | cisco
advisories | CVE-2017-3819
MD5 | b5b7b2652bcc9f39211a3ec6419b9ab3
NetSTR 0.20
Posted Mar 3, 2017
Authored by Jay Fink | Site systhread.net

NetSTR is an open source small, fast and easy to use port scanner and packet sniffer. IPv4 scanner can perform ranged, single or use an internal top ports list plus it has a flexible timers/port capability. IPv6 single port single host is supported. The tcp and arp sniffers print an easy to read dump format and have a full packet decode capability. Additionally netstr sports a fuzzy passive network scanner.

Changes: Added show capability to udpscan. Moved prog.h to netstr.h to avoid any future conflicts. Initial UDP support added.
tags | tool, scanner, tcp
systems | unix
MD5 | 5cbf53d0abcacc32b91627a6cc9bfb27
Windows x86 Reverse TCP Staged Alphanumeric Shellcode
Posted Mar 1, 2017
Authored by Snir Levi

322 bytes small Windows x86 reverse TCP staged alphanumeric shellcode.

tags | x86, tcp, shellcode
systems | windows
MD5 | 695f0dd77772e4a73691945986837fc4
Cisco Security Advisory 20170208-asa
Posted Feb 11, 2017
Authored by Cisco Systems | Site cisco.com

Cisco Security Advisory - A vulnerability in Common Internet Filesystem (CIFS) code in the Clientless SSL VPN functionality of Cisco ASA Software could allow an authenticated, remote attacker to cause a heap overflow. The vulnerability is due to insufficient validation of user supplied input. An attacker could exploit this vulnerability by sending a crafted URL to the affected system. An exploit could allow the remote attacker to cause a reload of the affected system or potentially execute code. 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 or IPv6 traffic. A valid TCP connection is needed to perform the attack. The attacker needs to have valid credentials to log in to the Clientless SSL VPN portal.

tags | advisory, remote, overflow, tcp
systems | cisco
MD5 | f831147a2edbb6ec039b98b931f28855
Linux/x86 Reverse TCP Alphanumeric Staged Shellcode
Posted Feb 8, 2017
Authored by Snir Levi

103 bytes small Linux/x86 reverse TCP alphanumeric staged shellcode.

tags | x86, tcp, shellcode
systems | linux
MD5 | 2c1496def1028a35176e13741c1ddcc9
Linux/x86_64 TCP/5600 Bind Shellcode
Posted Jan 20, 2017
Authored by Ajith KP

87 bytes small Linux/x86_64 shellcode that binds to TCP/5600.

tags | tcp, shellcode
systems | linux
MD5 | fec6c37dcb03a28d3b4836a5f2c6f2db
Red Hat Security Advisory 2017-0083-01
Posted Jan 18, 2017
Authored by Red Hat | Site access.redhat.com

Red 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.

tags | advisory, kernel, udp, tcp
systems | linux, redhat
advisories | CVE-2016-2857
MD5 | d1a919a428bdfe7e98f8acfb538b52ca
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