USN-691-1: Ruby vulnerability

Ubuntu Security Notice USN-691-1

16th December, 2008

ruby1.9 vulnerability

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

  • Ubuntu 8.10

Software description

  • ruby1.9

Details

Laurent Gaffie discovered that Ruby did not properly check for memory
allocation failures. If a user or automated system were tricked into
running a malicious script, an attacker could cause a denial of
service. (CVE-2008-3443)

This update also fixes a regression in the upstream patch previously
applied to fix CVE-2008-3790. The regression would cause parsing of
some XML documents to fail.

Update instructions

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

Ubuntu 8.10:
ruby1.9 1.9.0.2-7ubuntu1.1

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

In general, a standard system upgrade is sufficient to effect the
necessary changes.

References

CVE-2008-3443, CVE-2008-3790