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SUSE SLED15 / SLES15 / openSUSE 15 Security Update : re2c (SUSE-SU-2023:3353-1)

medium Nessus Plugin ID 179992

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Synopsis

The remote SUSE host is missing a security update.

Description

The remote SUSE Linux SLED15 / SLED_SAP15 / SLES15 / SLES_SAP15 / openSUSE 15 host has a package installed that is affected by a vulnerability as referenced in the SUSE-SU-2023:3353-1 advisory.

 - re2c before 2.0 has uncontrolled recursion that causes stack consumption in find_fixed_tags.
 (CVE-2018-21232)

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 re2c package.

See Also

https://bugzilla.suse.com/1170890

http://www.nessus.org/u?4a84da2b

https://www.suse.com/security/cve/CVE-2018-21232

Plugin Details

Severity: Medium

ID: 179992

File Name: suse_SU-2023-3353-1.nasl

Version: 1.0

Type: local

Agent: unix

Published: 8/19/2023

Updated: 8/19/2023

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.4

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

CVSS Score Source: CVE-2018-21232

CVSS v3

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 5

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

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

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:re2c, 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: 8/18/2023

Vulnerability Publication Date: 4/29/2020

Reference Information

CVE: CVE-2018-21232

SuSE: SUSE-SU-2023:3353-1