Medium severity4.2NVD Advisory· Published Jun 18, 2020· Updated Jun 17, 2026
CVE-2020-13882
CVE-2020-13882
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.
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Affected products
6cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
- CISOfy/Lynisdescription
Patches
Vulnerability mechanics
References
4- cisofy.com/security/cve/cve-2020-13882/nvdVendor Advisory
- cwe.mitre.org/data/definitions/367.htmlnvdThird Party Advisory
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JDCHEKNR3HPJRNHE5PYKFH5GNBADTPA7/nvd
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UBFHIX6RTHCK37FXMAAXP4KGAMLUFDUD/nvd
News mentions
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