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openSUSE Security Update : znc (openSUSE-2018-819)

medium Nessus Plugin ID 111584

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Synopsis

The remote openSUSE host is missing a security update.

Description

This update for znc fixes the following issues :

 - Update to version 1.7.1

 - CVE-2018-14055: non-admin user could gain admin privileges and shell access by injecting values into znc.conf (bnc#1101281)

 - CVE-2018-14056: path traversal in HTTP handler via ../ in a web skin name. (bnc#1101280)

 - Update to version 1.7.0

 - Make ZNC UI translateable to different languages

 - Configs written before ZNC 0.206 can't be read anymore

 - Implement IRCv3.2 capabilities away-notify, account-notify, extended-join

 - Implement IRCv3.2 capabilities echo-message, cap-notify on the 'client side'

 - Update capability names as they are named in IRCv3.2:
 znc.in/server-time-iso→server-time, znc.in/batch→batch. Old names will continue working for a while, then will be removed in some future version.

 - Make ZNC request server-time from server when available

 - Add 'AuthOnlyViaModule' global/user setting

 - Stop defaulting real name to 'Got ZNC?'

 - Add SNI SSL client support

 - Add support for CIDR notation in allowed hosts list and in trusted proxy list

 - Add network-specific config for cert validation in addition to user-supplied fingerprints: TrustAllCerts, defaults to false, and TrustPKI, defaults to true.

 - Add /attach command for symmetry with /detach. Unlike /join it allows wildcards.

 - Update to version 1.6.6 :

 - Fix use-after-free in znc --makepem. It was broken for a long time, but started segfaulting only now. This is a useability fix, not a security fix, because self-signed (or signed by a CA) certificates can be created without using --makepem, and then combined into znc.pem.

Solution

Update the affected znc packages.

See Also

https://bugzilla.opensuse.org/show_bug.cgi?id=1101280

https://bugzilla.opensuse.org/show_bug.cgi?id=1101281

Plugin Details

Severity: Medium

ID: 111584

File Name: openSUSE-2018-819.nasl

Version: 1.6

Type: local

Agent: unix

Published: 8/8/2018

Updated: 8/23/2024

Supported Sensors: Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

CVSS Score Source: CVE-2018-14056

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.7

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

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

CVSS Score Source: CVE-2018-14055

Vulnerability Information

CPE: p-cpe:/a:novell:opensuse:znc-perl, p-cpe:/a:novell:opensuse:znc-python3-debuginfo, cpe:/o:novell:opensuse:15.0, p-cpe:/a:novell:opensuse:znc-debugsource, p-cpe:/a:novell:opensuse:znc, p-cpe:/a:novell:opensuse:znc-tcl, p-cpe:/a:novell:opensuse:znc-perl-debuginfo, p-cpe:/a:novell:opensuse:znc-lang, cpe:/o:novell:opensuse:42.3, p-cpe:/a:novell:opensuse:znc-python3, p-cpe:/a:novell:opensuse:znc-devel, p-cpe:/a:novell:opensuse:znc-tcl-debuginfo, p-cpe:/a:novell:opensuse:znc-debuginfo

Required KB Items: Host/local_checks_enabled, Host/SuSE/release, Host/SuSE/rpm-list, Host/cpu

Exploit Ease: No known exploits are available

Patch Publication Date: 8/7/2018

Vulnerability Publication Date: 7/15/2018

Reference Information

CVE: CVE-2018-14055, CVE-2018-14056