CVE-2009-4016
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…
Does this matter?
Lower severity and a low EPSS score (4.03%). Track it; it rarely justifies an emergency change on its own.
Description
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.
- CVSS 2.0
- 6.8 MEDIUMAV:N/AC:M/Au:N/C:P/I:P/A:P
- EPSS
- 4.03% probability · 90th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-189
- Affected
- ircd-hybrid/ircd-hybrid · ircd-ratbox/ircd-ratbox · oftc/oftc-hybrid
- Source
- cve@mitre.org
References
- http://lists.ratbox.org/pipermail/ircd-ratbox/2010-January/000891.html
- http://secunia.com/advisories/38210Vendor Advisory
- http://secunia.com/advisories/38381Vendor Advisory
- http://secunia.com/advisories/38382Vendor Advisory
- http://secunia.com/advisories/38383Vendor Advisory
- http://security.debian.org/pool/updates/main/i/ircd-hybrid/ircd-hybrid_7.2.2.dfsg.2-4+lenny1.diff.gzPatch
- http://svn.ircd-hybrid.org:8000/viewcvs.cgi?rev=1044&view=rev
- http://trac.oftc.net/projects/oftc-hybrid/browser/tags/oftc-hybrid-1.6.8/RELNOTES
- http://www.debian.org/security/2010/dsa-1980Patch
- http://www.securityfocus.com/bid/37978
- http://lists.ratbox.org/pipermail/ircd-ratbox/2010-January/000891.html
- http://secunia.com/advisories/38210Vendor Advisory
- http://secunia.com/advisories/38381Vendor Advisory
- http://secunia.com/advisories/38382Vendor Advisory
- http://secunia.com/advisories/38383Vendor Advisory
- http://security.debian.org/pool/updates/main/i/ircd-hybrid/ircd-hybrid_7.2.2.dfsg.2-4+lenny1.diff.gzPatch
- http://svn.ircd-hybrid.org:8000/viewcvs.cgi?rev=1044&view=rev
- http://trac.oftc.net/projects/oftc-hybrid/browser/tags/oftc-hybrid-1.6.8/RELNOTES
- http://www.debian.org/security/2010/dsa-1980Patch
- http://www.securityfocus.com/bid/37978
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.