Detections
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EulerOS 2.0 SP9 : lz4 (EulerOS-SA-2021-2559)

critical Nessus Plugin ID 153696

Synopsis

The remote EulerOS host is missing a security update.

Description

According to the versions of the lz4 package installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :

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

Solution

Update the affected lz4 packages.

See Also

http://www.nessus.org/u?3797f5a8

Plugin Details

Severity: Critical

ID: 153696

File Name: EulerOS_SA-2021-2559.nasl

Version: 1.2

Type: local

Published: 9/27/2021

Updated: 9/27/2021

Supported Sensors: 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:huawei:euleros:lz4, cpe:/o:huawei:euleros:2.0

Required KB Items: Host/local_checks_enabled, Host/EulerOS/release, Host/EulerOS/rpm-list, Host/EulerOS/sp

Excluded KB Items: Host/EulerOS/uvp_version

Exploit Ease: No known exploits are available

Patch Publication Date: 9/27/2021

Vulnerability Publication Date: 6/2/2021

Reference Information

CVE: CVE-2021-3520