USN-2727-1: GnuTLS vulnerabilities
Ubuntu Security Notice USN-2727-1
1st September, 2015
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 15.04
GnuTLS could be made to crash or run programs if it processed a specially crafted certificate.
- gnutls28 - GNU TLS library
It was discovered that GnuTLS incorrectly handled parsing CRL distribution
points. A remote attacker could possibly use this issue to cause a denial
of service, or execute arbitrary code. (CVE-2015-3308)
Kurt Roeckx discovered that GnuTLS incorrectly handled a long
DistinguishedName (DN) entry in a certificate. A remote attacker could
possibly use this issue to cause a denial of service, or execute arbitrary
The problem can be corrected by updating your system to the following package version:
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.