1. Ubuntu Security Notices
  2. USN-818-1

USN-818-1: curl vulnerability

Publication date

17 August 2009

Overview

curl vulnerability

Releases

Packages

Details

Scott Cantor discovered that Curl did not correctly handle SSL
certificates with zero bytes in the Common Name. A remote attacker could
exploit this to perform a machine-in-the-middle attack to view sensitive
information or alter encrypted communications.

Scott Cantor discovered that Curl did not correctly handle SSL
certificates with zero bytes in the Common Name. A remote attacker could
exploit this to perform a machine-in-the-middle attack to view sensitive
information or alter encrypted communications.

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
9.04 jaunty libcurl3 –  7.18.2-8ubuntu4.1
8.10 intrepid libcurl3 –  7.18.2-1ubuntu4.4
8.04 hardy libcurl3 –  7.18.0-1ubuntu2.2
6.06 dapper libcurl3 –  7.15.1-1ubuntu3.2

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References

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