Input validation error in GNU C Library (glibc) - CVE-2011-1659

 

Input validation error in GNU C Library (glibc) - CVE-2011-1659

Published: April 8, 2011 / Updated: August 11, 2020


Vulnerability identifier: #VU45143
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2011-1659
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote non-authenticated attacker to perform service disruption.

Integer overflow in posix/fnmatch.c in the GNU C Library (aka glibc or libc6) 2.13 and earlier allows context-dependent attackers to cause a denial of service (application crash) via a long UTF8 string that is used in an fnmatch call with a crafted pattern argument, a different vulnerability than CVE-2011-1071.


Affected software

GNU C Library (glibc)

How to mitigate CVE-2011-1659

Install update from vendor's website.


External References

Related Security Bulletins