Description
The m_authenticate function in modules/m_sasl.c in Charybdis before 3.5.3 allows remote attackers to spoof certificate fingerprints and consequently log in as another user via a crafted AUTHENTICATE parameter.
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
- https://github.com/charybdis-ircd/charybdis/commit/818a3fda944b26d4814132cee14cfda4ea4aa824 ↗
- http://www.debian.org/security/2016/dsa-3661 ↗
- https://github.com/charybdis-ircd/charybdis/blob/charybdis-3.5.3/NEWS.md ↗
- http://www.securityfocus.com/bid/92761 ↗
- http://www.openwall.com/lists/oss-security/2016/09/05/8 ↗
- http://www.openwall.com/lists/oss-security/2016/09/04/3 ↗