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Date: Wed, 18 Jul 2018 08:30:07 +0100
From: Alexey Sokolov <>
Subject: CVE-2018-14055: privilege escalation in ZNC

Severity: high

Versions affected:
1.6.0 through 1.7.0
Potentially, all earlier versions too, but there is no known way to
trigger this before 1.6.0

upgrade to 1.7.1

ZNC before 1.7.1-rc1 does not properly validate untrusted lines coming
from the network, allowing a non-admin user to escalate privilege,
inject rogue values into znc.conf, and gain shell access.

Upstream patches:

Reported by: Jeriko One <>

Best regards,
Alexey "DarthGandalf" Sokolov

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