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CVE-2021-33910

CVE information

Published

2 years ago

Last Modified

4 months ago

CVSSv2.0 Severity

Medium

CVSSv3.1 Severity

Medium

Impact Analysis

Description

basic/unit-name.c in systemd prior to 246.15, 247.8, 248.5, and 249.1 has a Memory Allocation with an Excessive Size Value (involving strdupa and alloca for a pathname controlled by a local attacker) that results in an operating system crash..

CVSSv2.0 Score

Severity
Medium
Base Score
4.9/10
Exploit Score
3.9/10
Access Vector
Local
Access Complexity
Low
Authentication Required
None
Impact Score
6.9/10
Confidentiality Impact
None
Availability Impact
Complete
Integrity Impact
None

CVSSv3.1 Score

Severity
Medium
Base Score
5.5/10
Exploit Score
1.8/10
Access Vector
Local
Access Complexity
Low
Privileges Required
Low
Impact Score
3.6/10
Confidentiality Impact
None
Availability Impact
High
Integrity Impact
None
Scope
Unchanged
User Interaction
None

Products Affected

CPE Affected Vulnerable Excluding Edit
cpe:2.3:a:systemd_project:systemd:*:*:*:*:*:*:*:*
  Yes
247 247.8
cpe:2.3:a:systemd_project:systemd:*:*:*:*:*:*:*:*
  Yes
- 246.15
cpe:2.3:a:systemd_project:systemd:*:*:*:*:*:*:*:*
  Yes
248 248.5
cpe:2.3:a:systemd_project:systemd:*:*:*:*:*:*:*:*
  Yes
249 249.1
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:netapp:solidfire:-:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:netapp:hci_management_node:-:*:*:*:*:*:*:*
  Yes
- -