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SUSE SLES15 Security Update : libslirp (SUSE-SU-2022:2941-1)

low Nessus Plugin ID 164515

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Synopsis

The remote SUSE host is missing a security update.

Description

The remote SUSE Linux SLES15 / SLES_SAP15 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2022:2941-1 advisory.

 - An invalid pointer initialization issue was found in the SLiRP networking implementation of QEMU. The flaw exists in the udp6_input() function and could occur while processing a udp packet that is smaller than the size of the 'udphdr' structure. This issue may lead to out-of-bounds read access or indirect host memory disclosure to the guest. The highest threat from this vulnerability is to data confidentiality. This flaw affects libslirp versions prior to 4.6.0. (CVE-2021-3593)

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 libslirp-devel and / or libslirp0 packages.

See Also

https://bugzilla.suse.com/1187365

https://bugzilla.suse.com/1201551

https://www.suse.com/security/cve/CVE-2021-3593

http://www.nessus.org/u?71817d1d

Plugin Details

Severity: Low

ID: 164515

File Name: suse_SU-2022-2941-1.nasl

Version: 1.6

Type: local

Agent: unix

Published: 8/31/2022

Updated: 7/14/2023

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

Risk Information

VPR

Risk Factor: Low

Score: 1.6

CVSS v2

Risk Factor: Low

Base Score: 2.1

Temporal Score: 1.6

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

CVSS Score Source: CVE-2021-3593

CVSS v3

Risk Factor: Low

Base Score: 3.8

Temporal Score: 3.3

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

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

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:libslirp-devel, p-cpe:/a:novell:suse_linux:libslirp0, cpe:/o:novell:suse_linux:15

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: 8/30/2022

Vulnerability Publication Date: 6/15/2021

Reference Information

CVE: CVE-2021-3593

SuSE: SUSE-SU-2022:2941-1