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Ubuntu Security Notice USN-2945-1
April 04, 2016

xchat-gnome vulnerability
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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 versions:

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

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

References:
http://www.ubuntu.com/usn/usn-2945-1
https://launchpad.net/bugs/1565000

Package Information:

https://launchpad.net/ubuntu/+source/xchat-gnome/1:0.30.0~git20141005.816798-0ubuntu6.2

https://launchpad.net/ubuntu/+source/xchat-gnome/1:0.30.0~git20131003.d20b8d+really20110821-0.2ubuntu12.2

https://launchpad.net/ubuntu/+source/xchat-gnome/1:0.30.0~git20110821.e2a400-0.2ubuntu4.3

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