1. Ubuntu Security Notices
  2. USN-678-1

USN-678-1: GnuTLS vulnerability

Publication date

26 November 2008

Overview

GnuTLS vulnerability

Releases

Packages

Details

Martin von Gagern discovered that GnuTLS did not properly verify certificate
chains when the last certificate in the chain was self-signed. If a remote
attacker were able to perform a machine-in-the-middle attack, this flaw could be
exploited to view sensitive information. (CVE-2008-4989)

Martin von Gagern discovered that GnuTLS did not properly verify certificate
chains when the last certificate in the chain was self-signed. If a remote
attacker were able to perform a machine-in-the-middle attack, this flaw could be
exploited to view sensitive information. (CVE-2008-4989)

Update instructions

In general, a standard system upgrade is sufficient to effect 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
8.10 intrepid libgnutls26 –  2.4.1-1ubuntu0.1
8.04 hardy libgnutls13 –  2.0.4-1ubuntu2.2
7.10 gutsy libgnutls13 –  1.6.3-1ubuntu0.2
6.06 dapper libgnutls12 –  1.2.9-2ubuntu1.3

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References

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