1. Ubuntu Security Notices
  2. USN-2727-1

USN-2727-1: GnuTLS vulnerabilities

Publication date

1 September 2015

Overview

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

Releases

Packages

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)

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

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

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
15.04 vivid libgnutls-deb0-28 –  3.3.8-3ubuntu3.1

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References

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