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Date: Wed, 18 Jul 2018 08:30:18 +0100
From: Alexey Sokolov <>
Subject: CVE-2018-14056: path traversal in ZNC

Severity: medium

Versions affected:
0.045 through 1.7.0

upgrade to 1.7.1, or disable HTTP via `/msg *status AddPort`, `/msg
*status DelPort` commands.

ZNC before 1.7.1-rc1 is prone to a path traversal flaw. A non-admin user
can set web skin name to ../ to access files outside of the intended
skins directories and to cause DoS.

Upstream patch:

Reported by: Jeriko One <>

Best regards,
Alexey "DarthGandalf" Sokolov

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