Charybdis IRCd m_capab.c Denial of Service
Medium Nessus Plugin ID 65196
SynopsisThe remote chat server is affected by a denial of service vulnerability.
DescriptionThe remote host is running a version of Charybdis IRCd that is affected by a denial of service (DoS) vulnerability. An issue exists in the 'CAPAB' module in 'm_capab.c' that causes servers to improperly handle negotiation handshakes.
An unauthenticated, remote attacker could exploit this issue with a specially crafted request, impacting the availability of the service.
SolutionUpgrade to Charybdis 3.4.2 or later.