CVE-2002-0006
HighSummary
XChat versions 1.8.7 and earlier, including default configurations of 1.4.2 and 1.4.3, allow remote attackers to execute arbitrary IRC commands as other clients via encoded characters in a PRIVMSG command that calls CTCP PING.
Risk Assessment
Attackers can exploit this vulnerability to take control of IRC sessions of other users, potentially leading to unauthorized access to information or resources.
Recommendation
It is recommended to update XChat to the latest version and review configurations to minimize the risk associated with this vulnerability.
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Original NVD description (English source)
XChat 1.8.7 and earlier, including default configurations of 1.4.2 and 1.4.3, allows remote attackers to execute arbitrary IRC commands as other clients via encoded characters in a PRIVMSG command that calls CTCP PING, which expands the characters in the client response when the percascii variable is set.