#VU32768 Stack-based buffer overflow in Bash - CVE-2012-3410
Published: August 28, 2012 / Updated: July 28, 2020
Vulnerability identifier: #VU32768
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2012-3410
CWE-ID: CWE-121
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Bash
Bash
Software vendor:
GNU
GNU
Description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error when processing a long filename in /dev/fd, which is not properly handled when expanding the /dev/fd prefix. A remote unauthenticated attacker can trigger stack-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Remediation
Update to version 4.2.
External links
- ftp://ftp.gnu.org/pub/gnu/bash/bash-4.2-patches/bash42-033
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=681278
- http://secunia.com/advisories/51086
- http://security.gentoo.org/glsa/glsa-201210-05.xml
- http://www.mandriva.com/security/advisories?name=MDVSA-2012:128
- http://www.openwall.com/lists/oss-security/2012/07/11/11
- http://www.openwall.com/lists/oss-security/2012/07/11/22
- http://www.openwall.com/lists/oss-security/2012/07/12/4
- http://www.securityfocus.com/bid/54937
- https://exchange.xforce.ibmcloud.com/vulnerabilities/77551
- https://hermes.opensuse.org/messages/15227834