SB2023021346 - Input validation error in Glibc
Published: February 13, 2023 Updated: June 3, 2025
Security Bulletin ID
SB2023021346
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Input validation error (CVE-ID: CVE-2013-4458)
The vulnerability allows remote attackers to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can cause a denial of service (crash) via a (1) hostname or (2) IP address that triggers a large number of AF_INET6 address results.
Remediation
Install update from vendor's website.
References
- https://sourceware.org/bugzilla/show_bug.cgi?id=16072
- http://www.mandriva.com/security/advisories?name=MDVSA-2013:283
- https://sourceware.org/ml/libc-alpha/2013-10/msg00733.html
- http://www.mandriva.com/security/advisories?name=MDVSA-2013:284
- http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00036.html
- https://security.gentoo.org/glsa/201503-04