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Mandriva Linux Security Advisory : irssi (MDVSA-2010:079)

medium Nessus Plugin ID 48180

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Synopsis

The remote Mandriva Linux host is missing one or more security updates.

Description

Multiple vulnerabilities has been found and corrected in irssi :

Irssi before 0.8.15, when SSL is used, does not verify that the server hostname matches a domain name in the subject's Common Name (CN) field or a Subject Alternative Name field of the X.509 certificate, which allows man-in-the-middle attackers to spoof IRC servers via an arbitrary certificate (CVE-2010-1155).

core/nicklist.c in Irssi before 0.8.15 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via vectors related to an attempted fuzzy nick match at the instant that a victim leaves a channel (CVE-2010-1156).

Additionally the updated packages disables the SSLv2 protocol and enables the SSLv3 and TLSv1 protocols for added security.

The updated packages have been patched to correct these issues.

Solution

Update the affected irssi, irssi-devel and / or irssi-perl packages.

Plugin Details

Severity: Medium

ID: 48180

File Name: mandriva_MDVSA-2010-079.nasl

Version: 1.10

Type: local

Published: 7/30/2010

Updated: 1/6/2021

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.8

CVSS v2

Risk Factor: Medium

Base Score: 6.8

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

Vulnerability Information

CPE: p-cpe:/a:mandriva:linux:irssi, p-cpe:/a:mandriva:linux:irssi-devel, p-cpe:/a:mandriva:linux:irssi-perl, cpe:/o:mandriva:linux:2009.1, cpe:/o:mandriva:linux:2010.0

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/Mandrake/release, Host/Mandrake/rpm-list

Patch Publication Date: 4/17/2010

Reference Information

CVE: CVE-2010-1155, CVE-2010-1156

MDVSA: 2010:079