CVE-2021-40084

opensysusers through 0.6 does not safely use eval on files in sysusers.d that may contain shell metacharacters. For example, it allows command execution via a crafted GECOS field whereas systemd-sysusers (a program with the same specification) does not do that.

CVSS v3 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

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

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://bugs.debian.org/992058	Exploit Mailing List Third Party Advisory
https://github.com/artix-linux/opensysusers/releases	Release Notes Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:artixlinux:opensysusers:*:*:*:*:*:*:*:*

History

12 Jul 2022, 17:42

Type	Values Removed	Values Added
CWE	~~CWE-77~~	CWE-94

31 Aug 2021, 18:55

Type	Values Removed	Values Added
CWE		CWE-77
CPE		cpe:2.3:a:artixlinux:opensysusers::::::::
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : 7.5 v3 : 9.8
References	~~(MISC) https://github.com/artix-linux/opensysusers/releases -~~	(MISC) https://github.com/artix-linux/opensysusers/releases - Release Notes, Third Party Advisory
References	~~(MISC) https://bugs.debian.org/992058 -~~	(MISC) https://bugs.debian.org/992058 - Exploit, Mailing List, Third Party Advisory

25 Aug 2021, 02:23

Type	Values Removed	Values Added
New CVE

Information

Published : 2021-08-25 01:15

Updated : 2024-02-04 21:47

NVD link : CVE-2021-40084

Mitre link : CVE-2021-40084

CVE.ORG link : CVE-2021-40084

JSON object : View

Products Affected

artixlinux

opensysusers

CWE

CWE-94

Improper Control of Generation of Code ('Code Injection')

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