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Message-ID: <5a4f0d9d-7bbf-489d-bac2-ed5789105882@linuxlounge.net>
Date: Wed, 3 Jul 2024 18:18:36 +0200
From: Martin Weinelt <martin@...uxlounge.net>
To: oss-security@...ts.openwall.com
Subject: CVE-2024-39844: ZNC modtcl RCE
Hi,
ZNC before 1.9.1 has a remote code execution vulnerability in its modtcl
module, that can for example be triggered through a prepared kick message
https://wiki.znc.in/ChangeLog/1.9.1
Alternatively the following patch needs to be applied to mitigate this
vulnerability:
https://github.com/znc/znc/commit/8cbf8d628174ddf23da680f3f117dc54da0eb06e
The vulnerability was discovered and reported by Johannes Kuhn
(DasBrain). The patch was created by glguy.
---
Martin
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