Input validation error in grep - CVE-2012-5667
Published: January 3, 2013 / Updated: August 11, 2020
Vulnerability identifier: #VU43215
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/U:Green
CVE-ID: CVE-2012-5667
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vendor: GNU
Affected software:
grep
grep
Detailed vulnerability description
The vulnerability allows a remote non-authenticated attacker to read and manipulate data.
Multiple integer overflows in GNU Grep before 2.11 might allow context-dependent attackers to execute arbitrary code via vectors involving a long input line that triggers a heap-based buffer overflow.
How to mitigate CVE-2012-5667
Install update from vendor's website.
Sources
- http://git.savannah.gnu.org/cgit/grep.git/commit/?id=8fcf61523644df42e1905c81bed26838e0b04f91
- http://git.savannah.gnu.org/cgit/grep.git/commit/?id=cbbc1a45b9f843c811905c97c90a5d31f8e6c189
- http://git.sv.gnu.org/gitweb/?p=grep.git;a=shortlog;h=v2.11
- http://lists.gnu.org/archive/html/bug-grep/2012-12/msg00004.html
- http://openwall.com/lists/oss-security/2012/12/22/6
- http://rhn.redhat.com/errata/RHSA-2015-1447.html
- http://www.securityfocus.com/bid/57033
- https://bugs.launchpad.net/ubuntu/+source/grep/+bug/1091473
- https://bugzilla.redhat.com/show_bug.cgi?id=889935