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CVE-2012-6084
modules/m_capab.c in (1) ircd-ratbox before 3.0.8 and (2) Charybdis before 3.4.2 does not properly support capability negotiation during…
Medium5.0EPSS 3.0%
- Published
- Updated
- Reserved
- Assigned by
- redhat
Description
modules/m_capab.c in (1) ircd-ratbox before 3.0.8 and (2) Charybdis before 3.4.2 does not properly support capability negotiation during server handshakes, which allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a malformed request.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
- EPSS (exploitation in 30 days)
- 3.0% · top 12% of all CVEs (2 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.0.
Weakness
- n/a
Affected products
n/a
- affected n/a
References (6)
- http://rabbit.dereferenced.org/~nenolod/ASA-2012-12-31.txt (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://github.com/atheme/charybdis/commit/ac0707aa61d9c20e9b09062294701567c9f41595.patch (opens in a new tab)x_refsource_CONFIRMx_transferred
- http://www.stack.nl/~jilles/irc/charybdis-3.4.2.tbz2 (opens in a new tab)x_refsource_CONFIRMx_transferred
- [oss-security] 20130101 Re: Charybdis: Improper assumptions in the server handshake code may lead to a remote crash (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- DSA-2612 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- http://www.ratbox.org/download/ircd-ratbox-3.0.8.tar.bz2 (opens in a new tab)x_refsource_CONFIRMx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Record last updated .