GLSA-201908-15 : ZNC: Privilege escalation

Medium Nessus Plugin ID 127964


The remote Gentoo host is missing one or more security-related patches.


The remote host is affected by the vulnerability described in GLSA-201908-15 (ZNC: Privilege escalation)

It was discovered that ZNC’s “Modules.cpp” allows remote authenticated non-admin users to escalate privileges.
Impact :

A remote authenticated attacker could escalate privileges and subsequently execute arbitrary code or conduct a Denial of Service attack.
Workaround :

There is no known workaround at this time.


All ZNC users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose '>=net-irc/znc-1.7.4_rc1'

See Also

Plugin Details

Severity: Medium

ID: 127964

File Name: gentoo_GLSA-201908-15.nasl

Version: 1.2

Type: local

Published: 2019/08/20

Updated: 2020/01/02

Dependencies: 12634

Risk Information

Risk Factor: Medium

CVSS v2.0

Base Score: 6.5

Temporal Score: 4.8

Vector: CVSS2#AV:N/AC:L/Au:S/C:P/I:P/A:P

Temporal Vector: CVSS2#E:U/RL:OF/RC:C

CVSS v3.0

Base Score: 8.8

Temporal Score: 7.7

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:gentoo:linux:znc, cpe:/o:gentoo:linux

Required KB Items: Host/local_checks_enabled, Host/Gentoo/release, Host/Gentoo/qpkg-list

Exploit Ease: No known exploits are available

Patch Publication Date: 2019/08/15

Vulnerability Publication Date: 2019/06/15

Reference Information

CVE: CVE-2019-12816

GLSA: 201908-15