CVE-2012-3410

Published: Aug 27, 2012Modified: Apr 29, 2026

4.6

Vector

AV:L/AC:L/Au:N/C:P/I:P/A:P

Exploitability: 3.9 / Impact: 6.4

Source: NVD

Description

Stack-based buffer overflow in lib/sh/eaccess.c in GNU Bash before 4.2 patch 33 might allow local users to bypass intended restricted shell access via a long filename in /dev/fd, which is not properly handled when expanding the /dev/fd prefix.

Affected (1)

Products: Gnu: Bash

Gnu

1 product

Bash

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Gnu Bash	Version 4.2

Related CWEs

CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.

References (22)

ftp://ftp.gnu.org/pub/gnu/bash/bash-4.2-patches/bash42-033 (unsafe URL)

Source: secalert@redhat.com

Patch

http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=681278

Source: secalert@redhat.com

Patch

http://secunia.com/advisories/51086

Source: secalert@redhat.com

http://security.gentoo.org/glsa/glsa-201210-05.xml

Source: secalert@redhat.com

http://www.mandriva.com/security/advisories?name=MDVSA-2012:128

Source: secalert@redhat.com

http://www.openwall.com/lists/oss-security/2012/07/11/11

Source: secalert@redhat.com

http://www.openwall.com/lists/oss-security/2012/07/11/22

Source: secalert@redhat.com

http://www.openwall.com/lists/oss-security/2012/07/12/4

Source: secalert@redhat.com

http://www.securityfocus.com/bid/54937

Source: secalert@redhat.com

https://exchange.xforce.ibmcloud.com/vulnerabilities/77551

Source: secalert@redhat.com

https://hermes.opensuse.org/messages/15227834

Source: secalert@redhat.com

ftp://ftp.gnu.org/pub/gnu/bash/bash-4.2-patches/bash42-033 (unsafe URL)