USN-349-1: gzip vulnerabilities

Publication date

20 September 2006

Overview

gzip vulnerabilities


Details

Tavis Ormandy discovered that gzip did not sufficiently verify the
validity of gzip or compress archives while unpacking. By tricking an
user or automated system into unpacking a specially crafted compressed
file, this could be exploited to execute arbitrary code with the
user’s privileges.

Tavis Ormandy discovered that gzip did not sufficiently verify the
validity of gzip or compress archives while unpacking. By tricking an
user or automated system into unpacking a specially crafted compressed
file, this could be exploited to execute arbitrary code with the
user’s privileges.

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
6.06 dapper gzip –  1.3.5-12ubuntu0.1
5.10 breezy gzip –  1.3.5-11ubuntu2.1
5.04 hoary gzip –  1.3.5-9ubuntu3.5

Reduce your security exposure

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