USN-2403-1: GnuTLS vulnerability

Ubuntu Security Notice USN-2403-1

11th November, 2014

gnutls28 vulnerability

A security issue affects these releases of Ubuntu and its
derivatives:

  • Ubuntu 14.10

Summary

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

Software description

  • gnutls28
    – GNU TLS library – commandline utilities

Details

Sean Burford discovered that GnuTLS incorrectly handled printing certain
elliptic curve parameters. A malicious remote server or client could use
this issue to cause GnuTLS to crash, resulting in a denial of service, or
possibly execute arbitrary code.

Update instructions

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

Ubuntu 14.10:
gnutls-bin

3.2.16-1ubuntu2.1
libgnutls-openssl27

3.2.16-1ubuntu2.1
libgnutls-deb0-28

3.2.16-1ubuntu2.1
libgnutlsxx28

3.2.16-1ubuntu2.1

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.

References

CVE-2014-8564

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