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GLSA-202008-09 : Shadow: Privilege escalation

high Nessus Plugin ID 139833

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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-202008-09 (Shadow: Privilege escalation)

 When Shadow was installed with the PAM use flag, setuid binaries provided by Shadow were not properly restricted.
 Impact :

 A local attacker could escalate privileges to root.
 Workaround :

 There is no known workaround at this time.

Solution

All Shadow users should upgrade to the latest version:
 # emerge --sync # emerge --ask --oneshot --verbose '>=sys-apps/shadow-4.8-r3'

See Also

https://github.com/shadow-maint/shadow/pull/199

https://security.gentoo.org/glsa/202008-09

Plugin Details

Severity: High

ID: 139833

File Name: gentoo_GLSA-202008-09.nasl

Version: 1.3

Type: local

Published: 8/26/2020

Updated: 2/23/2024

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Medium

Base Score: 6.9

Temporal Score: 5.4

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

CVSS Score Source: CVE-2019-19882

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:shadow, 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: 8/25/2020

Vulnerability Publication Date: 12/18/2019

Reference Information

CVE: CVE-2019-19882

GLSA: 202008-09