Ubuntu 14.04 LTS / 16.04 LTS / 16.10 / 17.04 : irssi vulnerabilities (USN-3317-1)

Medium Nessus Plugin ID 100755


The remote Ubuntu host is missing a security-related patch.


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.

Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.


Update the affected irssi package.

Plugin Details

Severity: Medium

ID: 100755

File Name: ubuntu_USN-3317-1.nasl

Version: $Revision: 3.4 $

Type: local

Agent: unix

Published: 2017/06/13

Modified: 2018/01/30

Dependencies: 12634

Risk Information

Risk Factor: Medium


Base Score: 5

Temporal Score: 3.7

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

Temporal Vector: CVSS2#E:U/RL:OF/RC:C


Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:irssi, cpe:/o:canonical:ubuntu_linux:14.04, cpe:/o:canonical:ubuntu_linux:16.04, cpe:/o:canonical:ubuntu_linux:16.10, cpe:/o:canonical:ubuntu_linux:17.04

Required KB Items: Host/cpu, Host/Ubuntu, Host/Ubuntu/release, Host/Debian/dpkg-l

Exploit Available: false

Exploit Ease: No known exploits are available

Patch Publication Date: 2017/06/12

Reference Information

CVE: CVE-2017-9468, CVE-2017-9469

OSVDB: 158654, 158727

USN: 3317-1