Debian DLA-2657-1 : lz4 security update

critical Nessus Plugin ID 149460

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Synopsis

The remote Debian host is missing a security update.

Description

It was discovered that there was a potential memory corruption vulnerability in the lz4 compression algorithm library.

For Debian 9 'Stretch', this problem has been fixed in version 0.0~r131-2+deb9u1.

We recommend that you upgrade your lz4 packages.

For the detailed security status of lz4 please refer to its security tracker page at: https://security-tracker.debian.org/tracker/lz4

NOTE: Tenable Network Security has extracted the preceding description block directly from the DLA security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Solution

Upgrade the affected packages.

Plugin Details

Severity: Critical

ID: 149460

File Name: debian_DLA-2657.nasl

Version: 1.3

Type: local

Agent: unix

Family: Debian Local Security Checks

Published: 5/13/2021

Updated: 6/15/2021

Supported Sensors: Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

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:debian:debian_linux:liblz4-1-dbg, p-cpe:/a:debian:debian_linux:liblz4-dev, cpe:/o:debian:debian_linux:9.0, p-cpe:/a:debian:debian_linux:liblz4-tool, p-cpe:/a:debian:debian_linux:liblz4-1

Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l

Exploit Ease: No known exploits are available

Patch Publication Date: 5/12/2021

Vulnerability Publication Date: 6/2/2021

Reference Information

CVE: CVE-2021-3520

Detections

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