Executive Summary



This Alert is flagged as TOP 25 Common Weakness Enumeration from CWE/SANS. For more information, you can read this.
Summary
Title irssi: Execution of arbitrary code
Informations
Name GLSA-200909-13 First vendor Publication 2009-09-12
Vendor Gentoo Last vendor Modification 2009-09-12
Severity (Vendor) High Revision N/A

Security-Database Scoring CVSS v3

Cvss vector : N/A
Overall CVSS Score NA
Base Score NA Environmental Score NA
impact SubScore NA Temporal Score NA
Exploitabality Sub Score NA
 
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:N/C:N/I:N/A:P)
Cvss Base Score 5 Attack Range Network
Cvss Impact Score 2.9 Attack Complexity Low
Cvss Expoit Score 10 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

Synopsis

A remotely exploitable off-by-one error leading to a heap overflow was found in irssi which might result in the execution of arbitrary code.

Background

irssi is a modular textUI IRC client with IPv6 support.

Description

Nemo discovered an off-by-one error leading to a heap overflow in irssi's event_wallops() parsing function.

Impact

A remote attacker might entice a user to connect to a malicious IRC server, use a man-in-the-middle attack to redirect a user to such a server or use ircop rights to send a specially crafted WALLOPS message, which might result in the execution of arbitrary code with the privileges of the user running irssi.

Workaround

There is no known workaround at this time.

Resolution

All irssi users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose =net-irc/irssi-0.8.13-r1

References

[ 1 ] CVE-2009-1959 : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-1959

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website:

http://security.gentoo.org/glsa/glsa-200909-13.xml

Original Source

Url : http://security.gentoo.org/glsa/glsa-200909-13.xml

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-189 Numeric Errors (CWE/SANS Top 25)

OVAL Definitions

Definition Id: oval:org.mitre.oval:def:13908
 
Oval ID: oval:org.mitre.oval:def:13908
Title: USN-800-1 -- irssi vulnerability
Description: It was discovered that irssi did not properly check the length of strings when processing WALLOPS messages. If a user connected to an IRC network where an attacker had IRC operator privileges, a remote attacker could cause a denial of service.
Family: unix Class: patch
Reference(s): USN-800-1
CVE-2009-1959
 Version: 5
Platform(s): Ubuntu 8.04
Ubuntu 9.04
Ubuntu 6.06
Ubuntu 8.10
 Product(s): irssi
Definition Synopsis:

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 1

OpenVAS Exploits

Date Description
2010-06-25 Name : Fedora Update for irssi FEDORA-2010-6618
File : nvt/gb_fedora_2010_6618_irssi_fc11.nasl
2009-12-14 Name : Mandriva Security Advisory MDVSA-2009:133-1 (irssi)
File : nvt/mdksa_2009_133_1.nasl
2009-09-15 Name : Gentoo Security Advisory GLSA 200909-13 (irssi)
File : nvt/glsa_200909_13.nasl
2009-09-02 Name : Fedora Core 10 FEDORA-2009-7004 (irssi)
File : nvt/fcore_2009_7004.nasl
2009-08-17 Name : Fedora Core 11 FEDORA-2009-7012 (irssi)
File : nvt/fcore_2009_7012.nasl
2009-07-29 Name : Ubuntu USN-799-1 (dbus)
File : nvt/ubuntu_799_1.nasl
2009-07-29 Name : Ubuntu USN-800-1 (irssi)
File : nvt/ubuntu_800_1.nasl
2009-07-29 Name : Ubuntu USN-801-1 (tiff)
File : nvt/ubuntu_801_1.nasl
2009-07-29 Name : Ubuntu USN-802-1 (apache2)
File : nvt/ubuntu_802_1.nasl
2009-07-06 Name : SuSE Security Summary SUSE-SR:2009:012
File : nvt/suse_sr_2009_012.nasl
2009-06-23 Name : Mandrake Security Advisory MDVSA-2009:133 (irssi)
File : nvt/mdksa_2009_133.nasl
2009-06-19 Name : Irssi Off-by-one Read/Write DoS Vulnerability (Linux)
File : nvt/gb_irssi_dos_vul_lin.nasl

Open Source Vulnerability Database (OSVDB)

Id Description
54977 irssi fe-common/irc/fe-events.c event_wallops Function Off-by-one Underflow DoS

Nessus® Vulnerability Scanner

Date Description
2009-09-14 Name : The remote Gentoo host is missing one or more security-related patches.
File : gentoo_GLSA-200909-13.nasl - Type : ACT_GATHER_INFO
2009-09-02 Name : The remote Fedora host is missing a security update.
File : fedora_2009-7004.nasl - Type : ACT_GATHER_INFO
2009-08-04 Name : The remote Fedora host is missing a security update.
File : fedora_2009-7012.nasl - Type : ACT_GATHER_INFO
2009-07-21 Name : The remote openSUSE host is missing a security update.
File : suse_11_0_irssi-090615.nasl - Type : ACT_GATHER_INFO
2009-07-21 Name : The remote openSUSE host is missing a security update.
File : suse_11_1_irssi-090615.nasl - Type : ACT_GATHER_INFO
2009-07-14 Name : The remote Ubuntu host is missing one or more security-related patches.
File : ubuntu_USN-800-1.nasl - Type : ACT_GATHER_INFO
2009-06-17 Name : The remote Mandriva Linux host is missing one or more security updates.
File : mandriva_MDVSA-2009-133.nasl - Type : ACT_GATHER_INFO
2009-06-17 Name : The remote openSUSE host is missing a security update.
File : suse_irssi-6304.nasl - Type : ACT_GATHER_INFO

Alert History

If you want to see full details history, please login or register.
0
Date Informations
2014-02-17 11:36:43
  • Multiple Updates