Executive Summary

Summary
Title InspIRCd: Arbitrary code execution
Informations
Name GLSA-201204-02 First vendor Publication 2012-04-10
Vendor Gentoo Last vendor Modification 2012-04-10
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:P/I:P/A:P)
Cvss Base Score 7.5 Attack Range Network
Cvss Impact Score 6.4 Attack Complexity Low
Cvss Expoit Score 10 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

Synopsis

A heap-based buffer overflow in InspIRCd may allow execution of arbitrary code.

Background

InspIRCd (Inspire IRCd) is a modular C++ IRC daemon

Description

A vulnerability in InspIRCd allows DNS compression features to control the number of overflowed bytes sent to the heap-based buffer "res[]" in dns.cpp.

Impact

A remote attacker could send specially crafted DNS responses, possibly resulting in execution of arbitrary code with the privileges of the process or a Denial of Service condition.

Workaround

There is no known workaround at this time.

Resolution

All InspIRCd users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=net-irc/inspircd-2.0.5-r1"

References

[ 1 ] CVE-2012-1836 : http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-1836

Availability

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

http://security.gentoo.org/glsa/glsa-201204-02.xml

Original Source

Url : http://security.gentoo.org/glsa/glsa-201204-02.xml

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-119 Failure to Constrain Operations within the Bounds of a Memory Buffer

OVAL Definitions

Definition Id: oval:org.mitre.oval:def:19555
 
Oval ID: oval:org.mitre.oval:def:19555
Title: DSA-2448-1 inspircd - buffer overflow
Description: It was discovered that a heap-based buffer overflow in InspIRCd could allow remote attackers to execute arbitrary code via a crafted DNS query.
Family: unix Class: patch
Reference(s): DSA-2448-1
CVE-2012-1836
Version: 5
Platform(s): Debian GNU/Linux 6.0
Debian GNU/Linux 7
Debian GNU/kFreeBSD 6.0
Debian GNU/kFreeBSD 7
Product(s): inspircd
Definition Synopsis:

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 1

OpenVAS Exploits

Date Description
2012-05-31 Name : FreeBSD Ports: inspircd
File : nvt/freebsd_inspircd.nasl
2012-04-30 Name : Debian Security Advisory DSA 2448-1 (inspircd)
File : nvt/deb_2448_1.nasl
2012-04-30 Name : Gentoo Security Advisory GLSA 201204-02 (InspIRCd)
File : nvt/glsa_201204_02.nasl

Nessus® Vulnerability Scanner

Date Description
2015-07-20 Name : The remote Debian host is missing a security update.
File : debian_DLA-276.nasl - Type : ACT_GATHER_INFO
2015-04-17 Name : The remote Debian host is missing a security-related update.
File : debian_DSA-3226.nasl - Type : ACT_GATHER_INFO
2012-06-21 Name : The remote Gentoo host is missing one or more security-related patches.
File : gentoo_GLSA-201204-02.nasl - Type : ACT_GATHER_INFO
2012-05-18 Name : The remote FreeBSD host is missing one or more security-related updates.
File : freebsd_pkg_f5f00804a03b11e1a2840023ae8e59f0.nasl - Type : ACT_GATHER_INFO
2012-04-11 Name : The remote Debian host is missing a security-related update.
File : debian_DSA-2448.nasl - Type : ACT_GATHER_INFO

Alert History

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0
Date Informations
2014-02-17 11:37:18
  • Multiple Updates