Hackers Using 'Shellshock' Bash Vulnerability to Launch Botnet Attacks

Researchers on Thursday discovered a critical remotely exploitable vulnerability in the widely used command-line shell GNU Bourne Again Shell Bash, dubbed "Shellshock" which affects most of the Linux distributions and servers worldwide, and may already have been exploited in the wild to take over...

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: 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...

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...

Apple Says OS X Safe By Default Against Bash Vulnerability

Apple is trying to soothe users who are anxious about Mac OS X’s exposure to the Bash vulnerability. The company said in a statement to Threatpost that most Apple users are not at risk, and reports have it that Apple is preparing to release a patch. “With OS X, systems are safe by default and not...

bash security update

CentOS Errata and Security Advisory CESA-2014:1306 Updated September 30, 2014 This advisory has been updated with information on restarting system services after applying this update. No changes have been made to the original packages. Updated bash packages that fix one security issue are now...

USN-2363-2: Bash vulnerability

USN-2363-1 fixed a vulnerability in Bash. Due to a build issue, the patch for CVE-2014-7169 didn't get properly applied in the Ubuntu 14.04 LTS package. This update fixes the problem. We apologize for the inconvenience. Original advisory details: Tavis Ormandy discovered that the security fix for...

USN-2363-2 bash vulnerability

USN-2363-1 fixed a vulnerability in Bash. Due to a build issue, the patch for CVE-2014-7169 didn't get properly applied in the Ubuntu 14.04 LTS package. This update fixes the problem. We apologize for the inconvenience. Original advisory details: Tavis Ormandy discovered that the security fix for...

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: 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: 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...

Important: Red Hat Security Advisory: bash security update

Updated September 30, 2014 This advisory has been updated with information on restarting system services after applying this update. No changes have been made to the original packages. Updated bash packages that fix one security issue are now available for Red Hat Enterprise Linux 5, 6, and 7. Re...

GNU Bash Environment Variable Command Injection Vulnerability

On September 24, 2014, a vulnerability in the Bash shell was publicly announced. The vulnerability is related to the way in which shell functions are passed though environment variables. The vulnerability may allow an attacker to inject commands into a Bash shell, depending on how the shell is...

CVE-2014-7186

The redirection implementation in parse.y in GNU Bash through 4.3 bash43-026 allows remote attackers to cause a denial of service out-of-bounds array access and application crash or possibly have unspecified other impact via crafted use of here documents, aka the "redirstack" issue...

DHCP Client Bash Environment Variable Code Injection

This module requires Metasploit: http//metasploit.com/download Current source: https://github.com/rapid7/metasploit-framework require 'msf/core' require 'rex/proto/dhcp' class Metasploit3 'DHCP Client Bash Environment Variable Code Injection', 'Description' = %q This module exploits a code...

Bash environment variable code injection over HTTP

Added: 09/26/2014 CVE: CVE-2014-6271 BID: 70103 OSVDB: 112004 Background GNU Bash Bourne Again SHell is a command shell commonly used on Linux and Unix systems. Problem The Bash shell executes commands injected after function definitions contained in environment variables. This could be used by a...

Apache mod_cgi Bash Environment Variable Code Injection Exploit

This Metasploit module exploits a code injection in specially crafted environment variables in Bash, specifically targeting Apache modcgi scripts through the HTTPUSERAGENT variable. This module requires Metasploit: http//metasploit.com/download Current source:...

Slackware 13.0 : bash (rebuild for Slackware 13.0 only) (SSA:2014-268-02)

New bash packages are available for Slackware 13.0 to fix a security issue. %NASLMINLEVEL 70300 C Tenable Network Security, Inc. The descriptive text and package checks in this plugin were extracted from Slackware Security Advisory 2014-268-02. The text itself is copyright C Slackware Linux, Inc...

Solaris 9 (x86) : 149080-01

SunOS 5.9x86: bash patch. Date this patch was last updated by Oracle : Sep/26/14 %NASLMINLEVEL 70300 @DEPRECATED@ This script has been deprecated by solaris9x86149080.nasl. Disabled on 2014/10/13. C Tenable Network Security, Inc. The descriptive text in this plugin was extracted from the Oracle...

Ubuntu 14.04 LTS : Bash vulnerability (USN-2363-1)

The remote Ubuntu 14.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-2363-1 advisory. Tavis Ormandy discovered that the security fix for Bash included in USN-2362-1 was incomplete. An attacker could use this issue to bypass certain environment...