SUSE SLES15 Security Update : ovmf (SUSE-SU-2021:0972-1)

high Nessus Plugin ID 148227

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Synopsis

The remote SUSE host is missing one or more security updates.

Description

This update for ovmf fixes the following issues :

CVE-2021-28211: ovmf: edk2: possible heap corruption with LzmaUefiDecompressGetInfo (bsc#1183578)

CVE-2021-28210: ovmf: unlimited FV recursion, round 2 (bsc#1183579)

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

Solution

To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or 'zypper patch'.

Alternatively you can run the command listed for your product :

SUSE Linux Enterprise Module for Server Applications 15-SP2 :

zypper in -t patch SUSE-SLE-Module-Server-Applications-15-SP2-2021-972=1

See Also

https://bugzilla.suse.com/show_bug.cgi?id=1183578

https://bugzilla.suse.com/show_bug.cgi?id=1183579

https://www.suse.com/security/cve/CVE-2021-28210/

https://www.suse.com/security/cve/CVE-2021-28211/

http://www.nessus.org/u?63e1f547

Plugin Details

Severity: High

ID: 148227

File Name: suse_SU-2021-0972-1.nasl

Version: 1.5

Type: local

Agent: unix

Published: 3/30/2021

Updated: 1/8/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Medium

Base Score: 4.6

Temporal Score: 3.6

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

CVSS Score Source: CVE-2021-28211

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 7

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

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

CVSS Score Source: CVE-2021-28210

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:ovmf, p-cpe:/a:novell:suse_linux:ovmf-tools, cpe:/o:novell:suse_linux:15

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: 3/29/2021

Reference Information

CVE: CVE-2021-28210, CVE-2021-28211