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openSUSE 15 Security Update : lz4 (openSUSE-SU-2021:1825-1)

critical Nessus Plugin ID 151706

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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-2021:1825-1 advisory.

 - There's a flaw in lz4. An attacker who submits a crafted file to an application linked with lz4 may be able to trigger an integer overflow, leading to calling of memmove() on a negative size argument, causing an out-of-bounds write and/or a crash. The greatest impact of this flaw is to availability, with some potential impact to confidentiality and integrity as well. (CVE-2021-3520)

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 liblz4-1, liblz4-1-32bit, liblz4-devel and / or lz4 packages.

See Also

https://bugzilla.suse.com/1185438

http://www.nessus.org/u?f95aecf9

https://www.suse.com/security/cve/CVE-2021-3520

Plugin Details

Severity: Critical

ID: 151706

File Name: openSUSE-2021-1825.nasl

Version: 1.2

Type: local

Agent: unix

Published: 7/16/2021

Updated: 7/16/2021

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

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

CVSS Score Source: CVE-2021-3520

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/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:novell:opensuse:liblz4-1, p-cpe:/a:novell:opensuse:liblz4-1-32bit, p-cpe:/a:novell:opensuse:liblz4-devel, p-cpe:/a:novell:opensuse:lz4, cpe:/o:novell:opensuse:15.3

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

Exploit Ease: No known exploits are available

Patch Publication Date: 7/10/2021

Vulnerability Publication Date: 6/2/2021

Reference Information

CVE: CVE-2021-3520