SUSE SLED15 / SLES15 Security Update : python-M2Crypto (SUSE-SU-2022:2691-1)

medium Nessus Plugin ID 163899

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Synopsis

The remote SUSE host is missing a security update.

Description

The remote SUSE Linux SLED15 / SLES15 host has a package installed that is affected by a vulnerability as referenced in the SUSE-SU-2022:2691-1 advisory.

- A flaw was found in all released versions of m2crypto, where they are vulnerable to Bleichenbacher timing attacks in the RSA decryption API via the timed processing of valid PKCS#1 v1.5 Ciphertext. The highest threat from this vulnerability is to confidentiality. (CVE-2020-25657)

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 python3-M2Crypto package.

See Also

https://bugzilla.suse.com/1178829

https://www.suse.com/security/cve/CVE-2020-25657

http://www.nessus.org/u?ff6a8120

Plugin Details

Severity: Medium

ID: 163899

File Name: suse_SU-2022-2691-1.nasl

Version: 1.2

Type: local

Agent: unix

Published: 8/6/2022

Updated: 8/6/2022

Supported Sensors: Nessus Agent

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.2

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

Temporal Vector: CVSS2#E:U/RL:OF/RC:C

CVSS Score Source: CVE-2020-25657

CVSS v3

Risk Factor: Medium

Base Score: 5.9

Temporal Score: 5.2

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

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

Vulnerability Information

CPE: cpe:2.3:o:novell:suse_linux:15:*:*:*:*:*:*:*, p-cpe:2.3:a:novell:suse_linux:python3-m2crypto:*:*:*:*:*:*:*

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: 8/5/2022

Vulnerability Publication Date: 1/12/2021

Reference Information

CVE: CVE-2020-25657

SuSE: SUSE-SU-2022:2691-1