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.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a n/a
n/aaffected
References
- http://rabbit.dereferenced.org/~nenolod/ASA-2012-12-31.txt ↗
- https://github.com/atheme/charybdis/commit/ac0707aa61d9c20e9b09062294701567c9f41595.patch ↗
- http://www.stack.nl/~jilles/irc/charybdis-3.4.2.tbz2 ↗
- http://openwall.com/lists/oss-security/2013/01/01/4 ↗
- http://www.debian.org/security/2013/dsa-2612 ↗
- http://www.ratbox.org/download/ircd-ratbox-3.0.8.tar.bz2 ↗