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Debian DSA-3885-1 : irssi - security update

high Nessus Plugin ID 100853

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Synopsis

The remote Debian host is missing a security-related update.

Description

Multiple vulnerabilities have been discovered in Irssi, a terminal based IRC client. The Common Vulnerabilities and Exposures project identifies the following problems :

 - CVE-2017-9468 Joseph Bisch discovered that Irssi does not properly handle DCC messages without source nick/host. A malicious IRC server can take advantage of this flaw to cause Irssi to crash, resulting in a denial of service.

 - CVE-2017-9469 Joseph Bisch discovered that Irssi does not properly handle receiving incorrectly quoted DCC files. A remote attacker can take advantage of this flaw to cause Irssi to crash, resulting in a denial of service.

Solution

Upgrade the irssi packages.

For the oldstable distribution (jessie), these problems have been fixed in version 0.8.17-1+deb8u4.

For the stable distribution (stretch), these problems have been fixed in version 1.0.2-1+deb9u1.

See Also

https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=864400

https://security-tracker.debian.org/tracker/CVE-2017-9468

https://security-tracker.debian.org/tracker/CVE-2017-9469

https://packages.debian.org/source/jessie/irssi

https://packages.debian.org/source/stretch/irssi

https://www.debian.org/security/2017/dsa-3885

Plugin Details

Severity: High

ID: 100853

File Name: debian_DSA-3885.nasl

Version: 3.9

Type: local

Agent: unix

Published: 6/19/2017

Updated: 1/4/2021

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:debian:debian_linux:8.0, cpe:/o:debian:debian_linux:9.0, p-cpe:/a:debian:debian_linux:irssi

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

Exploit Ease: No known exploits are available

Patch Publication Date: 6/18/2017

Reference Information

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

DSA: 3885