Major Bash Shell Vulnerability Affects Linux, UNIX, Mac OS X

A critical vulnerability in the Bourne again shell, simply known as Bash and which is present in most Linux and UNIX distributions and Apple’s Mac OS X, has been discovered and administrators are being urged to patch immediately. The flaw allows an attacker to remotely attach a malicious executab...

Critical: Red Hat Security Advisory: bash security update

Updated bash packages that fix one security issue are now available for Red Hat Enterprise Linux 4 Extended Life Cycle Support, Red Hat Enterprise Linux 5.6 Long Life, Red Hat Enterprise Linux 5.9 Extended Update Support, Red Hat Enterprise Linux 6.2 Advanced Update Support, and Red Hat Enterpris...

bash: specially-crafted environment variables can be used to inject shell commands

A flaw was found in the way Bash evaluated certain specially crafted environment variables. An attacker could use this flaw to override or bypass environment restrictions to execute shell commands. Certain services and applications allow remote unauthenticated attackers to provide environment...

Critical: Red Hat Security Advisory: bash Shift_JIS security update

Updated bash ShiftJIS packages that fix one security issue are now available for Red Hat Enterprise Linux 5 and 6. Red Hat Product Security has rated this update as having Critical security impact. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...

bash: specially-crafted environment variables can be used to inject shell commands

A flaw was found in the way Bash evaluated certain specially crafted environment variables. An attacker could use this flaw to override or bypass environment restrictions to execute shell commands. Certain services and applications allow remote unauthenticated attackers to provide environment...

[SECURITY] [DSA 3032-1] bash security update

------------------------------------------------------------------------- Debian Security Advisory DSA-3032-1 [email protected] http://www.debian.org/security/ Florian Weimer September 24, 2014 http://www.debian.org/security/faq -...

Bourne-Again Shell (Bash) Remote Code Execution Vulnerability

US-CERT is aware of a Bash vulnerability affecting Unix-based operating systems such as Linux and Mac OS X. Exploitation of this vulnerability may allow a remote attacker to execute arbitrary code on an affected system. US-CERT recommends users and administrators review TA14-268A, Vulnerability...

Apache mod_cgi Bash Environment Variable Code Injection (Shellshock)

This module exploits the Shellshock vulnerability, a flaw in how the Bash shell handles external environment variables. This module targets CGI scripts in the Apache web server by setting the HTTPUSERAGENT environment variable to a malicious function definition. Module Options msf use...

Dhclient Bash Environment Variable Injection (Shellshock)

This module exploits the Shellshock vulnerability, a flaw in how the Bash shell handles external environment variables. This module targets dhclient by responding to DHCP requests with a malicious hostname, domainname, and URL which are then passed to the configuration scripts as environment...

UBUNTU-CVE-2014-6271

GNU Bash through 4.3 processes trailing strings after function definitions in the values of environment variables, which allows remote attackers to execute arbitrary code via a crafted environment, as demonstrated by vectors involving the ForceCommand feature in OpenSSH sshd, the modcgi and modcg...

Debian Security Advisory DSA 3032-1 (bash - security update)

Stephane Chazelas discovered a vulnerability in bash, the GNU Bourne-Again Shell, related to how environment variables are processed. In many common configurations, this vulnerability is exploitable over the network, especially if bash has been configured as the system shell. OpenVAS Vulnerabilit...

DLA-59-1 bash - security update

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Internet Bug Bounty: GNU Bourne-Again Shell (Bash) 'Shellshock' Vulnerability

GNU Bash versions 1.14 through 4.3 contain a flaw that processes commands placed after function definitions in the added environment variable, allowing remote attackers to execute arbitrary code via a crafted environment which enables network-based exploitation. Original disclosure:...

Apache mod_cgi Bash Environment Variable Injection (Shellshock) Scanner

This module scans for the Shellshock vulnerability, a flaw in how the Bash shell handles external environment variables. This module targets CGI scripts in the Apache web server by setting the HTTPUSERAGENT environment variable to a malicious function definition. PROTIP: Use exploit/multi/handler...

PT-2014-1176

Name of the Vulnerable Software and Affected Versions bash versions 1.14 through 4.2 p52 GNU Bash affected versions not specified Description The issue is related to the way shell functions are passed through environment variables, allowing an attacker to inject commands into a Bash shell. This c...

CVE-2014-6271

GNU Bash through 4.3 processes trailing strings after function definitions in the values of environment variables, which allows remote attackers to execute arbitrary code via a crafted environment, as demonstrated by vectors involving the ForceCommand feature in OpenSSH sshd, the modcgi and modcg...

Critical: bash

Issue Overview: This ALAS is superceded by ALAS-2014-419 https://alas.aws.amazon.com/ALAS-2014-419.html". A flaw was found in the way Bash evaluated certain specially crafted environment variables. An attacker could use this flaw to override or bypass environment restrictions to execute shell...

bash security update

4.1.2-15.1 - Check for fishy environment Resolves: 1141645...

bash -- remote code execution vulnerability

Chet Ramey reports: Under certain circumstances, bash will execute user code while processing the environment for exported function definitions. The original fix released for CVE-2014-6271 was not adequate. A similar vulnerability was discovered and tagged as CVE-2014-7169...

DHCP Client Bash Environment Variable Code Injection (Shellshock)

This module exploits the Shellshock vulnerability, a flaw in how the Bash shell handles external environment variables. This module targets dhclient by responding to DHCP requests with a malicious hostname, domainname, and URL which are then passed to the configuration scripts as environment...