SB2015082412 - Input validation error in GnuTLS
Published: August 24, 2015 Updated: July 28, 2020
Security Bulletin ID
SB2015082412
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-2015-6251)
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 via a long DistinguishedName (DN) entry in a certificate.
Remediation
Install update from vendor's website.
References
- http://lists.fedoraproject.org/pipermail/package-announce/2015-September/165286.html
- http://lists.opensuse.org/opensuse-updates/2015-09/msg00001.html
- http://www.debian.org/security/2015/dsa-3334
- http://www.gnutls.org/security.html#GNUTLS-SA-2015-3
- http://www.openwall.com/lists/oss-security/2015/08/10/1
- http://www.openwall.com/lists/oss-security/2015/08/17/6
- http://www.securityfocus.com/bid/76267
- http://www.securitytracker.com/id/1033226
- https://bugzilla.redhat.com/show_bug.cgi?id=1251902
- https://gitlab.com/gnutls/gnutls/commit/272854367efc130fbd4f1a51840d80c630214e12