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CVE-2021-42374

CVE information

Published

2 years ago

Last Modified

5 months ago

CVSSv2.0 Severity

Low

CVSSv3.1 Severity

Medium

Impact Analysis

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Description

An out-of-bounds heap read in Busybox's unlzma applet leads to information leak and denial of service when crafted LZMA-compressed input is decompressed. This can be triggered by any applet/format that.

CVSSv2.0 Score

Severity
Low
Base Score
3.3/10
Exploit Score
3.4/10
Access Vector
Local
Access Complexity
Medium
Authentication Required
None
Impact Score
4.9/10
Confidentiality Impact
Partial
Availability Impact
Partial
Integrity Impact
None

CVSSv3.1 Score

Severity
Medium
Base Score
5.3/10
Exploit Score
1/10
Access Vector
Local
Access Complexity
High
Privileges Required
Low
Impact Score
4.2/10
Confidentiality Impact
Low
Availability Impact
High
Integrity Impact
None
Scope
Unchanged
User Interaction
None

Products Affected

CPE Affected Vulnerable Excluding Edit
cpe:2.3:a:busybox:busybox:*:*:*:*:*:*:*:*
  Yes
1.27.0 -
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:netapp:solidfire:-:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:netapp:hci_management_node:-:*:*:*:*:*:*:*
  Yes
- -

References