Vulnerability in Ircd-Hybrid
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 a denial of service (daemon crash) via a LINKS command.
Published · last modified .
CVSS v2 metric
CVSS v2 base score 6.8 (Medium). Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.040 (90.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 90th percentile — 90.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.040 · newest: 0.040 · change: 0.000
Affected products
- Ircd-Hybrid — versions 7.2.3, 7.2.2
- Ircd-Ratbox — versions 1.1.1, 2.2.6, 1.3.2
- Oftc Oftc-Hybrid — versions 1.6.2, 1.5.1, 1.6.1
Weakness classification (CWE)
References
- lists.ratbox.org/pipermail/ircd-ratbox/2010-January/000891.html (mailing-list)
- secunia.com/advisories/38210 (third-party-advisory, Vendor Advisory)
- secunia.com/advisories/38381 (third-party-advisory, Vendor Advisory)
- secunia.com/advisories/38382 (third-party-advisory, Vendor Advisory)
- secunia.com/advisories/38383 (third-party-advisory, Vendor Advisory)
- security.debian.org/pool/updates/main/i/ircd-hybrid/ircd-hybrid_7.2.2.dfsg.2-4+… (Patch)
- svn.ircd-hybrid.org:8000/viewcvs.cgi
- trac.oftc.net/projects/oftc-hybrid/browser/tags/oftc-hybrid-1.6.8/RELNOTES
- www.debian.org/security/2010/dsa-1980 (vendor-advisory, Patch)
- www.securityfocus.com/bid/37978 (vdb-entry)