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Home » Security Advisories» Ubuntu » Irssi vulnerabilities

Irssi vulnerabilities

  • Vendor: Ubuntu
  • Vendor ID: USN-3317-1
  • Date: June 12, 2017


==========================================================================
Ubuntu Security Notice USN-3317-1
June 12, 2017

irssi vulnerabilities
==========================================================================

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

- Ubuntu 17.04
- Ubuntu 16.10
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS

Summary:

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

Software Description:
- irssi: terminal based IRC client

Details:

It was discovered that Irssi incorrectly handled certain DCC messages. A
malicious IRC server could use this issue to cause Irssi to crash,
resulting in a denial of service. (CVE-2017-9468)

Joseph Bisch discovered that Irssi incorrectly handled receiving
incorrectly quoted DCC files. A remote attacker could possibly use this
issue to cause Irssi to crash, resulting in a denial of service.
(CVE-2017-9469)

Update instructions:

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

Ubuntu 17.04:
irssi 0.8.20-2ubuntu2.1

Ubuntu 16.10:
irssi 0.8.19-1ubuntu2.2

Ubuntu 16.04 LTS:
irssi 0.8.19-1ubuntu1.4

Ubuntu 14.04 LTS:
irssi 0.8.15-5ubuntu3.2

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

References:
https://www.ubuntu.com/usn/usn-3317-1
CVE-2017-9468, CVE-2017-9469

Package Information:
https://launchpad.net/ubuntu/+source/irssi/0.8.20-2ubuntu2.1
https://launchpad.net/ubuntu/+source/irssi/0.8.19-1ubuntu2.2
https://launchpad.net/ubuntu/+source/irssi/0.8.19-1ubuntu1.4
https://launchpad.net/ubuntu/+source/irssi/0.8.15-5ubuntu3.2


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