Detections
Analytics

EulerOS 2.0 SP3 : zsh (EulerOS-SA-2022-1778)

high Nessus Plugin ID 161537

Synopsis

The remote EulerOS host is missing a security update.

Description

According to the versions of the zsh package installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :

 - In zsh before 5.8.1, an attacker can achieve code execution if they control a command output inside the prompt, as demonstrated by a %F argument. This occurs because of recursive PROMPT_SUBST expansion.
 (CVE-2021-45444)

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 zsh packages.

See Also

http://www.nessus.org/u?7d19b254

Plugin Details

Severity: High

ID: 161537

File Name: EulerOS_SA-2022-1778.nasl

Version: 1.2

Type: local

Published: 5/26/2022

Updated: 5/26/2022

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Medium

Base Score: 5.1

Temporal Score: 3.8

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

CVSS Score Source: CVE-2021-45444

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

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

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

Vulnerability Information

CPE: cpe:/o:huawei:euleros:2.0, p-cpe:/a:huawei:euleros:zsh

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

Excluded KB Items: Host/EulerOS/uvp_version

Exploit Ease: No known exploits are available

Patch Publication Date: 5/25/2022

Vulnerability Publication Date: 2/12/2022

Reference Information

CVE: CVE-2021-45444