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.