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EulerOS Virtualization 2.9.0 : python-cryptography (EulerOS-SA-2021-2208)

critical Nessus Plugin ID 151546

Synopsis

The remote EulerOS Virtualization host is missing a security update.

Description

According to the version of the python-cryptography package installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerability :

 - In the cryptography package before 3.3.2 for Python, certain sequences of update calls to symmetrically encrypt multi-GB values could result in an integer overflow and buffer overflow, as demonstrated by the Fernet class.(CVE-2020-36242)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Solution

Update the affected python-cryptography package.

See Also

http://www.nessus.org/u?20a9d8bf

Plugin Details

Severity: Critical

ID: 151546

File Name: EulerOS_SA-2021-2208.nasl

Version: 1.3

Type: local

Published: 7/13/2021

Updated: 12/8/2023

Supported Sensors: 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: cpe:/o:huawei:euleros:uvp:2.9.0, p-cpe:/a:huawei:euleros:python3-cryptography

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/EulerOS/release, Host/EulerOS/rpm-list, Host/EulerOS/uvp_version

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 7/13/2021

Reference Information

CVE: CVE-2020-36242