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Ubuntu 16.04: USN-3086-1 Critical: Irssi Crash Due To Malicious Traffic

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Calendar Grey September 21, 2016
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Potential security flaws in Irssi may result in application failures on Ubuntu 16.04. It is advisable to update to enhance system security.
Irssi could be made to crash if it received specially crafted networktraffic.

Summary

Irssi could be made to crash if it received specially crafted network

traffic.

Software Description:

- irssi: terminal based IRC client

Details:

Gabriel Campana and Adrien Guinet discovered that the format parsing code

in Irssi did not properly verify 24bit color codes. A remote attacker could

use this to cause a denial of service (application crash). (CVE-2016-7044)

Gabriel Campana and Adrien Guinet discovered that a buffer overflow existed

in the format parsing code in Irssi. A remote attacker could use this to

cause a denial of service (application crash). (CVE-2016-7045)

Update Instructions

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

Ubuntu 16.04 LTS:
  irssi                           0.8.19-1ubuntu1.2

After a standard system update you need to restart Irssi to make
all the necessary changes.

References

https://ubuntu.com/security/notices/USN-3086-1

CVE-2016-7044, CVE-2016-7045

Severity
critical
Lowest
Low
Medium
High
Critical

September 21, 2016

Package Information

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