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CVE-2022-30767

CVE information

Published

1 year ago

Last Modified

5 months ago

CVSSv2.0 Severity

High

CVSSv3.1 Severity

Critical

Impact Analysis

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Description

nfs_lookup_reply in net/nfs.c in Das U-Boot through 2022.04 (and through 2022.07-rc2) has an unbounded memcpy with a failed length check, leading to a buffer overflow. NOTE: this issue exists because of an incorrect fix for CVE-2019-14196..

CVSSv2.0 Score

Severity
High
Base Score
7.5/10
Exploit Score
10/10
Access Vector
Network
Access Complexity
Low
Authentication Required
None
Impact Score
6.4/10
Confidentiality Impact
Partial
Availability Impact
Partial
Integrity Impact
Partial

CVSSv3.1 Score

Severity
Critical
Base Score
9.8/10
Exploit Score
3.9/10
Access Vector
Network
Access Complexity
Low
Privileges Required
None
Impact Score
5.9/10
Confidentiality Impact
High
Availability Impact
High
Integrity Impact
High
Scope
Unchanged
User Interaction
None

Products Affected

CPE Affected Vulnerable Excluding Edit
cpe:2.3:a:denx:u-boot:*:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:denx:u-boot:2022.07:rc2:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:denx:u-boot:2022.07:rc1:*:*:*:*:*:*
  Yes
- -
cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:*
  Yes
- -

References