Detections
Analytics

GLSA-202105-34 : Bash: Privilege escalation

high Nessus Plugin ID 157010

Language:

Synopsis

The remote Gentoo host is missing one or more security-related patches.

Description

The remote host is affected by the vulnerability described in GLSA-202105-34 (Bash: Privilege escalation)

 It was discovered that Bash incorrectly dropped privileges by setting its effective UID to its real UID.
 Impact :

 A local attacker could possibly escalate privileges.
 Workaround :

 There is no known workaround at this time.

Solution

All Bash users should upgrade to the latest version:
 # emerge --sync # emerge --ask --oneshot --verbose '>=app-shells/bash-5.0_p11-r1'

See Also

https://security.gentoo.org/glsa/202105-34

Plugin Details

Severity: High

ID: 157010

File Name: gentoo_GLSA-202105-34.nasl

Version: 1.4

Type: local

Published: 1/24/2022

Updated: 12/21/2023

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 5.6

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

CVSS Score Source: CVE-2019-18276

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 7

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

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

Vulnerability Information

CPE: p-cpe:/a:gentoo:linux:bash, cpe:/o:gentoo:linux

Required KB Items: Host/local_checks_enabled, Host/Gentoo/release, Host/Gentoo/qpkg-list

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 5/26/2021

Vulnerability Publication Date: 11/28/2019

Reference Information

CVE: CVE-2019-18276

GLSA: 202105-34