Incorrect Privilege Assignment The advisory has been revoked - it doesn't affect any version of package cifs-utils (opens in a new tab)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UBUNTU1404-CIFSUTILS-1623784
- published13 May 2022
- disclosed19 Apr 2021
Introduced: 19 Apr 2021
CVE-2021-20208 (opens in a new tab)Amendment
The Ubuntu security team deemed this advisory irrelevant for Ubuntu:14.04.
NVD Description
Note: Versions mentioned in the description apply only to the upstream cifs-utils package and not the cifs-utils package as distributed by Ubuntu.
A flaw was found in cifs-utils in versions before 6.13. A user when mounting a krb5 CIFS file system from within a container can use Kerberos credentials of the host. The highest threat from this vulnerability is to data confidentiality and integrity.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2021-20208
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2W4HSDIWXXNQBUW5ZS37RQMLJ7THK5AS/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/66WJ3SVBHCSNQZAWSGLB6FBOCFU45FFG/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/Z4BZSJXROEFHYATAAHHRR6P3HUSMPQB3/
- https://bugzilla.redhat.com/show_bug.cgi?id=1921116
- https://bugzilla.samba.org/show_bug.cgi?id=14651
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2W4HSDIWXXNQBUW5ZS37RQMLJ7THK5AS/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/66WJ3SVBHCSNQZAWSGLB6FBOCFU45FFG/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Z4BZSJXROEFHYATAAHHRR6P3HUSMPQB3/