Debian DSA-4919-1 : lz4 - security update

critical Nessus Plugin ID 149855

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Synopsis

The remote Debian host is missing a security-related update.

Description

Jasper Lievisse Adriaanse reported an integer overflow flaw in lz4, a fast LZ compression algorithm library, resulting in memory corruption.

Solution

Upgrade the lz4 packages.

For the stable distribution (buster), this problem has been fixed in version 1.8.3-1+deb10u1.

Plugin Details

Severity: Critical

ID: 149855

File Name: debian_DSA-4919.nasl

Version: 1.3

Type: local

Agent: unix

Family: Debian Local Security Checks

Published: 5/24/2021

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: cpe:/o:debian:debian_linux:10.0, p-cpe:/a:debian:debian_linux:lz4

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

Exploit Ease: No known exploits are available

Patch Publication Date: 5/21/2021

Vulnerability Publication Date: 6/2/2021

Reference Information

CVE: CVE-2021-3520

DSA: 4919

Detections

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