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CVE-2020-13882
CVE information
Published
Last Modified
CVSSv2.0 Severity
CVSSv3.1 Severity
Impact Analysis
Description
CISOfy Lynis before 3.0.0 has Incorrect Access Control because of a TOCTOU race condition. The routine to check the log and report file permissions was not working as intended and could be bypassed locally. Because of the race, an unprivileged attacker can set up a log and report file, and control that up to the point where the specific routine is doing its check. After that, the file can be removed, recreated, and used for additional attacks..
CVSSv2.0 Score
- Severity
- Low
- Base Score
- 3.7/10
- Exploit Score
- 1.9/10
- Access Vector
- Local
- Access Complexity
- High
- Authentication Required
- None
- Impact Score
- 6.4/10
- Confidentiality Impact
- Partial
- Availability Impact
- Partial
- Integrity Impact
- Partial
CVSSv3.1 Score
- Severity
- Medium
- Base Score
- 4.2/10
- Exploit Score
- 0.8/10
- Access Vector
- Local
- Access Complexity
- High
- Privileges Required
- Low
- Impact Score
- 3.4/10
- Confidentiality Impact
- Low
- Availability Impact
- Low
- Integrity Impact
- Low
- Scope
- Unchanged
- User Interaction
- Required
Products Affected
CPE | Affected | Vulnerable | Excluding | Edit |
---|---|---|---|---|
cpe:2.3:a:cisofy:lynis:*:*:*:*:*:*:*:* |
Yes
|
- | 3.0.0 | |
cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:* |
Yes
|
- | - |