Input validation error in Perl - CVE-2013-7422
Published: August 17, 2015 / Updated: August 9, 2020
Vulnerability identifier: #VU40676
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/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-2013-7422
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Perl
Affected software:
Perl
Perl
Detailed vulnerability description
The vulnerability allows a remote non-authenticated attacker to read and manipulate data.
Integer underflow in regcomp.c in Perl before 5.20, as used in Apple OS X before 10.10.5 and other products, allows context-dependent attackers to execute arbitrary code or cause a denial of service (application crash) via a long digit string associated with an invalid backreference within a regular expression.
How to mitigate CVE-2013-7422
Install update from vendor's website.
Sources
- http://lists.apple.com/archives/security-announce/2015/Aug/msg00001.html
- http://perl5.git.perl.org/perl.git/commit/0c2990d652e985784f095bba4bc356481a66aa06
- http://www.securityfocus.com/bid/75704
- http://www.ubuntu.com/usn/USN-2916-1
- https://security.gentoo.org/glsa/201507-11
- https://support.apple.com/kb/HT205031