SUSE SLED15 / SLES15 / openSUSE 15 Security Update : python3 (SUSE-SU-2023:0549-1)

high Nessus Plugin ID 171936

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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 packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2023:0549-1 advisory.

- An issue was discovered in Python before 3.11.1. An unnecessary quadratic algorithm exists in one path when processing some inputs to the IDNA (RFC 3490) decoder, such that a crafted, unreasonably long name being presented to the decoder could lead to a CPU denial of service. Hostnames are often supplied by remote servers that could be controlled by a malicious actor; in such a scenario, they could trigger excessive CPU consumption on the client attempting to make use of an attacker-supplied supposed hostname.
For example, the attack payload could be placed in the Location header of an HTTP response with status code 302. A fix is planned in 3.11.1, 3.10.9, 3.9.16, 3.8.16, and 3.7.16. (CVE-2022-45061)

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 packages.

See Also

https://bugzilla.suse.com/1205244

https://bugzilla.suse.com/1208443

https://www.suse.com/security/cve/CVE-2022-45061

http://www.nessus.org/u?90111279

Plugin Details

Severity: High

ID: 171936

File Name: suse_SU-2023-0549-1.nasl

Version: 1.6

Type: local

Agent: unix

Published: 2/28/2023

Updated: 9/28/2023

Supported Sensors: Agentless 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: High

Base Score: 7.8

Temporal Score: 6.1

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

CVSS Score Source: CVE-2022-45061

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.7

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/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:libpython3_6m1_0, p-cpe:/a:novell:suse_linux:python3, p-cpe:/a:novell:suse_linux:python3-base, p-cpe:/a:novell:suse_linux:python3-curses, p-cpe:/a:novell:suse_linux:python3-dbm, p-cpe:/a:novell:suse_linux:python3-devel, p-cpe:/a:novell:suse_linux:python3-idle, p-cpe:/a:novell:suse_linux:python3-tk, p-cpe:/a:novell:suse_linux:python3-tools, 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: 2/27/2023

Vulnerability Publication Date: 11/8/2022

Reference Information

CVE: CVE-2022-45061

IAVA: 2022-A-0467-S, 2023-A-0061-S

SuSE: SUSE-SU-2023:0549-1