USN-2727-1: GnuTLS vulnerabilities

01 September 2015

GnuTLS could be made to crash or run programs if it processed a specially crafted certificate.

Releases

Packages

  • gnutls28 - GNU TLS library

Details

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
code. (CVE-2015-6251)

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 15.04

In general, a standard system update will make all the necessary changes.