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openSUSE 15 Security Update : log4j (openSUSE-SU-2021:1605-1)

medium Nessus Plugin ID 156270

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Synopsis

The remote SUSE host is missing a security update.

Description

The remote SUSE Linux SUSE15 host has packages installed that are affected by a vulnerability as referenced in the openSUSE-SU-2021:1605-1 advisory.

 - Apache Log4j2 versions 2.0-alpha1 through 2.16.0 (excluding 2.12.3) did not protect from uncontrolled recursion from self-referential lookups. This allows an attacker with control over Thread Context Map data to cause a denial of service when a crafted string is interpreted. This issue was fixed in Log4j 2.17.0 and 2.12.3. (CVE-2021-45105)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Update the affected log4j, log4j-javadoc, log4j-jcl and / or log4j-slf4j packages.

See Also

https://bugzilla.suse.com/1193887

https://bugzilla.suse.com/1193888

http://www.nessus.org/u?ae2ac98a

https://www.suse.com/security/cve/CVE-2021-45105

Plugin Details

Severity: Medium

ID: 156270

File Name: openSUSE-2021-1605.nasl

Version: 1.4

Type: local

Agent: unix

Published: 12/25/2021

Updated: 2/14/2022

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.6

CVSS v2

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.7

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

CVSS Score Source: CVE-2021-45105

CVSS v3

Risk Factor: Medium

Base Score: 5.9

Temporal Score: 5.7

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

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

Vulnerability Information

CPE: p-cpe:/a:novell:opensuse:log4j, p-cpe:/a:novell:opensuse:log4j-javadoc, cpe:/o:novell:opensuse:15.2, p-cpe:/a:novell:opensuse:log4j-slf4j, p-cpe:/a:novell:opensuse:log4j-jcl

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 12/22/2021

Vulnerability Publication Date: 12/10/2021

Reference Information

CVE: CVE-2021-45105

IAVA: 2021-A-0573