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GLSA-202003-20 : systemd: Heap use-after-free

high Nessus Plugin ID 134597

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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-202003-20 (systemd: Heap use-after-free)

 It was found that systemd incorrectly handled certain Polkit queries.
 Impact :

 A local unprivileged user, by sending a specially crafted Polkit query, could possibly execute arbitrary code with the privileges of the process, escalate privileges or cause a Denial of Service condition.
 Workaround :

 There is no known workaround at this time.

Solution

All systemd users should upgrade to the latest version:
 # emerge --sync # emerge --ask --oneshot --verbose '>=sys-apps/systemd-244.3'

See Also

https://security.gentoo.org/glsa/202003-20

Plugin Details

Severity: High

ID: 134597

File Name: gentoo_GLSA-202003-20.nasl

Version: 1.3

Type: local

Published: 3/16/2020

Updated: 4/15/2020

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Medium

Base Score: 4.6

Temporal Score: 3.4

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

CVSS Score Source: CVE-2020-1712

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

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:U/RL:O/RC:C

Vulnerability Information

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

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

Exploit Ease: No known exploits are available

Patch Publication Date: 3/15/2020

Vulnerability Publication Date: 3/31/2020

Reference Information

CVE: CVE-2020-1712

GLSA: 202003-20