bash: code execution via specially-crafted environment (Incomplete fix for CVE-2014-6271)

It was found that the fix for CVE-2014-6271 was incomplete, and Bash still allowed certain characters to be injected into other environments via specially crafted environment variables. An attacker could potentially use this flaw to override or bypass environment restrictions to execute shell...

bash: parser can allow out-of-bounds memory access while handling redir_stack

It was identified that the fixed-sized redirstack could be forced to overflow in the Bash parser, resulting in memory corruption, and possibly leading to arbitrary code execution when evaluating untrusted input that would not otherwise be run as code...

bash: off-by-one error in deeply nested flow control constructs

An off-by-one error was discovered in the way Bash was handling deeply nested flow control constructs. Depending on the layout of the .bss segment, this could allow arbitrary execution of code that would not otherwise be executed by Bash...

GNU bash 4.3.11 - Environment Variable dhclient

GNU bash 4.3.11 - Environment Variable dhclient !/usr/bin/python Exploit Title: dhclient shellshocker Google Dork: n/a Date: 10/1/14 Exploit Author: @0x00string Vendor Homepage: gnu.org Software Link: http://ftp.gnu.org/gnu/bash/bash-4.3.tar.gz Version: 4.3.11 Tested on: Ubuntu 14.04.1 CVE :...

rt42 -- vulnerabilities related to shellshock

Best Practical reports: RT 4.2.0 and above may be vulnerable to arbitrary execution of code by way of CVE-2014-7169, CVE-2014-7186, CVE-2014-7187, CVE-2014-6277, or CVE-2014-6271 -- collectively known as "Shellshock." This vulnerability requires a privileged user with access to an RT instance...

FreeBSD : bash -- remote code execution (512d1301-49b9-11e4-ae2c-c80aa9043978) (Shellshock)

Note that this is different than the public 'Shellshock' issue. Specially crafted environment variables could lead to remote arbitrary code execution. This was fixed in bash 4.3.27, however the port was patched with a mitigation in 4.3.252. %NASLMINLEVEL 70300 C Tenable Network Security, Inc. The...

GNU bash 4.3.11 - Environment Variable dhclient

!/usr/bin/python Exploit Title: dhclient shellshocker Google Dork: n/a Date: 10/1/14 Exploit Author: @0x00string Vendor Homepage: gnu.org Software Link: http://ftp.gnu.org/gnu/bash/bash-4.3.tar.gz Version: 4.3.11 Tested on: Ubuntu 14.04.1 CVE :...

GNU Bash 4.3.11 dhclient Shellshocker

!/usr/bin/python Exploit Title: dhclient shellshocker Google Dork: n/a Date: 10/1/14 Exploit Author: @0x00string Vendor Homepage: gnu.org Software Link: http://ftp.gnu.org/gnu/bash/bash-4.3.tar.gz Version: 4.3.11 Tested on: Ubuntu 14.04.1 CVE :...

Pure-FTPd External Authentication Bash Environment Variable Code Injection

This module requires Metasploit: http//metasploit.com/download Current source: https://github.com/rapid7/metasploit-framework require 'msf/core' class Metasploit4 'Pure-FTPd External Authentication Bash Environment Variable Code Injection', 'Description' = %q This module exploits the code injecti...

VMSA-2014-0010 : VMware product updates address critical Bash security vulnerabilities (Shellshock)

a. Bash update for multiple products. Bash libraries have been updated in multiple products to resolve multiple critical security issues, also referred to as Shellshock. The Common Vulnerabilities and Exposures project cve.mitre.org has assigned the identifiers CVE-2014-6271, CVE-2014-7169,...

VMware Begins to Patch Bash Issues Across Product Line

Much like Heartbleed triggered vendors to issue out of band patches to remedy vulnerabilities that popped up earlier this year, Shellshock, the Bash vulnerability, has forced vendors’ hands in a similar fashion. Virtualization firm VMware issued a progress report on fixes for four different types...

Updated bash packages fix multiple security vulnerabilities

Updated bash packages fix security vulnerabilities: Bash has been updated to version 4.2 patch level 50, which further mitigates ShellShock-type vulnerabilities. Two such issues have already been discovered CVE-2014-6277, CVE-2014-6278. See the RedHat article on the backward-incompatible changes...

MGASA-2014-0394 Updated bash packages fix multiple security vulnerabilities

Updated bash packages fix security vulnerabilities: Bash has been updated to version 4.2 patch level 50, which further mitigates ShellShock-type vulnerabilities. Two such issues have already been discovered CVE-2014-6277, CVE-2014-6278. See the RedHat article on the backward-incompatible changes...

Bash Me Some More

Good morning! This is kinda long. == Background == If you are not familiar with the original bash function export vulnerability CVE-2014-6271, you may want to have a look at this article: http://lcamtuf.blogspot.com/2014/09/quick-notes-about-bash-bug-its-impact.html Well, long story short: the...

Ubuntu: Security Advisory (USN-2364-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2014 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

openSUSE: Security Advisory for bash (openSUSE-SU-2014:1229-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2014 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

openSUSE: Security Advisory for bash (openSUSE-SU-2014:1242-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2014 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Fedora Update for bash FEDORA-2014-11503

The remote host is missing an update for the SPDX-FileCopyrightText: 2014 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Fedora Update for bash FEDORA-2014-11514

The remote host is missing an update for the SPDX-FileCopyrightText: 2014 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

GNU Bash Environment Variable Handling RCE Vulnerability (Shellshock, Linux/Unix SSH Login, CVE-2014-7187) - Active Check

GNU Bash is prone to a remote command execution RCE vulnerability dubbed Copyright C 2014 Greenbone Networks GmbH Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-or-later This program is fre...