openSUSE Security Update : python-cryptography (openSUSE-2021-349)

critical Nessus Plugin ID 146898

Language:

New! Plugin Severity Now Using CVSS v3

The calculated severity for Plugins has been updated to use CVSS v3 by default. Plugins that do not have a CVSS v3 score will fall back to CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

Synopsis

The remote openSUSE host is missing a security update.

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).

This update was imported from the SUSE:SLE-15-SP2:Update update project.

Solution

Update the affected python-cryptography packages.

See Also

https://bugzilla.opensuse.org/show_bug.cgi?id=1182066

Plugin Details

Severity: Critical

ID: 146898

File Name: openSUSE-2021-349.nasl

Version: 1.2

Type: local

Agent: unix

Published: 3/1/2021

Updated: 3/3/2021

Dependencies: ssh_get_info.nasl

Risk Information

VPR

Risk Factor: Medium

Score: 5.2

CVSS v2

Risk Factor: Medium

Base Score: 6.4

Temporal Score: 4.7

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

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

CVSS v3

Risk Factor: Critical

Base Score: 9.1

Temporal Score: 7.9

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:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:2.3:o:novell:opensuse:15.2:*:*:*:*:*:*:*, p-cpe:2.3:a:novell:opensuse:python-cryptography-debuginfo:*:*:*:*:*:*:*, p-cpe:2.3:a:novell:opensuse:python-cryptography-debugsource:*:*:*:*:*:*:*, p-cpe:2.3:a:novell:opensuse:python2-cryptography:*:*:*:*:*:*:*, p-cpe:2.3:a:novell:opensuse:python2-cryptography-debuginfo:*:*:*:*:*:*:*, p-cpe:2.3:a:novell:opensuse:python3-cryptography:*:*:*:*:*:*:*, p-cpe:2.3:a:novell:opensuse:python3-cryptography-debuginfo:*:*:*:*:*:*:*

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: 2/26/2021

Vulnerability Publication Date: 2/7/2021

Reference Information

CVE: CVE-2020-36242