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SUSE SLED15 / SLES15 Security Update : python-cryptography (SUSE-SU-2021:0594-1)

critical Nessus Plugin ID 146923

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Synopsis

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

Description

This update for python-cryptography fixes the following issues :

CVE-2020-36242: Using the Fernet class to symmetrically encrypt multi gigabyte values could result in an integer overflow and buffer overflow (bsc#1182066).

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 Python2 15-SP2 :

zypper in -t patch SUSE-SLE-Module-Python2-15-SP2-2021-594=1

SUSE Linux Enterprise Module for Basesystem 15-SP2 :

zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP2-2021-594=1

See Also

https://bugzilla.suse.com/show_bug.cgi?id=1182066

https://www.suse.com/security/cve/CVE-2020-36242/

http://www.nessus.org/u?b833918e

Plugin Details

Severity: Critical

ID: 146923

File Name: suse_SU-2021-0594-1.nasl

Version: 1.3

Type: local

Agent: unix

Published: 3/1/2021

Updated: 1/18/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.0

CVSS v2

Risk Factor: Medium

Base Score: 6.4

Temporal Score: 5

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

CVSS Score Source: CVE-2020-36242

CVSS v3

Risk Factor: Critical

Base Score: 9.1

Temporal Score: 8.2

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

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

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:python2-cryptography, p-cpe:/a:novell:suse_linux:python-cryptography-debugsource, cpe:/o:novell:suse_linux:15, p-cpe:/a:novell:suse_linux:python-cryptography-debuginfo, p-cpe:/a:novell:suse_linux:python2-cryptography-debuginfo, p-cpe:/a:novell:suse_linux:python3-cryptography-debuginfo, p-cpe:/a:novell:suse_linux:python3-cryptography

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: 2/25/2021

Vulnerability Publication Date: 2/7/2021

Reference Information

CVE: CVE-2020-36242