USN-2945-1: XChat-GNOME vulnerability

Ubuntu Security Notice USN-2945-1

4th April, 2016

xchat-gnome vulnerability

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

• Ubuntu 15.10
• Ubuntu 14.04 LTS
• Ubuntu 12.04 LTS

Summary

XChat-GNOME could be made to expose sensitive information over the network.

Software description

• xchat-gnome - simple and featureful IRC client for GNOME

Details

It was discovered that XChat-GNOME incorrectly verified the hostname in an
SSL certificate. An attacker could trick XChat-GNOME into trusting a rogue
server's certificate, which was signed by a trusted certificate authority,
to perform a man-in-the-middle attack.

Update instructions

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

Ubuntu 15.10:

xchat-gnome 1:0.30.0~git20141005.816798-0ubuntu6.2

Ubuntu 14.04 LTS:

xchat-gnome 1:0.30.0~git20131003.d20b8d+really20110821-0.2ubuntu12.2

Ubuntu 12.04 LTS:

xchat-gnome 1:0.30.0~git20110821.e2a400-0.2ubuntu4.3

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

After a standard system update you need to restart XChat-GNOME to make
all the necessary changes.

References

LP: 1565000