Vulnerability Information
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Vulnerability Title
IRC mode parameter confusion in matrix-appservice-irc
Vulnerability Description
matrix-appservice-irc is an open source Node.js IRC bridge for Matrix. The Internet Relay Chat (IRC) protocol allows you to specify multiple modes in a single mode command. Due to a bug in the underlying matrix-org/node-irc library, affected versions of matrix-appservice-irc perform parsing of such modes incorrectly, potentially resulting in the wrong user being given permissions. Mode commands can only be executed by privileged users, so this can only be abused if an operator is tricked into running the command on behalf of an attacker. The vulnerability has been patched in matrix-appservice-irc 0.35.0. As a workaround users should refrain from entering mode commands suggested by untrusted users. Avoid using multiple modes in a single command.
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:L
Vulnerability Type
特权管理不恰当
Vulnerability Title
Matrix matrix-appservice-irc 资源管理错误漏洞
Vulnerability Description
matrix-appservice-irc是Matrix的一款网桥。这个网桥会将所有 IRC 消息传递给 Matrix，并将所有 Matrix 消息传递给 IRC。 Matrix matrix-appservice-irc 0.35.0 之前版本存在资源管理错误漏洞，该漏洞源于底层 matrix-org/node-irc 库中的错误，matrix-appservice-irc 的受影响版本无法正确解析此类模式，可能导致错误的用户被授予权限。
CVSS Information
N/A
Vulnerability Type
N/A