National Cyber Awareness System

Vulnerability Summary for CVE-2009-4016

Overview

Integer underflow in the clean_string function in irc_string.c in (1) IRCD-hybrid 7.2.2 and 7.2.3, (2) ircd-ratbox before 2.2.9, and (3) oftc-hybrid before 1.6.8, when flatten_links is disabled, allows remote attackers to execute arbitrary code or cause a denial of service (daemon crash) via a LINKS command.

Impact

CVSS Severity (version 2.0):

CVSS Version 2 Metrics:

References to Advisories, Solutions, and Tools

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External Source: DEBIAN

Name: DSA-1980

Type: Patch Information

Hyperlink:http://www.debian.org/security/2010/dsa-1980

External Source: CONFIRM

Name: http://security.debian.org/pool/updates/main/i/ircd-hybrid/ircd-hybrid_7.2.2.dfsg.2-4+lenny1.diff.gz

Type: Patch Information

Hyperlink:http://security.debian.org/pool/updates/main/i/ircd-hybrid/ircd-hybrid_7.2.2.dfsg.2-4+lenny1.diff.gz

External Source: BID

Name: 37978

Hyperlink:http://www.securityfocus.com/bid/37978

External Source: CONFIRM

Name: http://trac.oftc.net/projects/oftc-hybrid/browser/tags/oftc-hybrid-1.6.8/RELNOTES

Hyperlink:http://trac.oftc.net/projects/oftc-hybrid/browser/tags/oftc-hybrid-1.6.8/RELNOTES

External Source: CONFIRM

Name: http://svn.ircd-hybrid.org:8000/viewcvs.cgi?rev=1044&view=rev

Hyperlink:http://svn.ircd-hybrid.org:8000/viewcvs.cgi?rev=1044&view=rev

External Source: SECUNIA

Name: 38383

Type: Advisory

Hyperlink:http://secunia.com/advisories/38383

External Source: SECUNIA

Name: 38382

Type: Advisory

Hyperlink:http://secunia.com/advisories/38382

External Source: SECUNIA

Name: 38381

Type: Advisory

Hyperlink:http://secunia.com/advisories/38381

External Source: SECUNIA

Name: 38210

Type: Advisory

Hyperlink:http://secunia.com/advisories/38210

External Source: MLIST

Name: [ircd-ratbox] 20100125 ircd-ratbox-2.2.9 released

Hyperlink:http://lists.ratbox.org/pipermail/ircd-ratbox/2010-January/000891.html