Vulnerability Details CVE-2021-20208
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 34.5%
CVSS Severity
CVSS v3 Score 6.1
CVSS v2 Score 4.9
References
- 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/
- 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/
Products affected by CVE-2021-20208
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cpe:2.3:a:samba:cifs-utils:4.0
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cpe:2.3:a:samba:cifs-utils:5.6
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cpe:2.3:a:samba:cifs-utils:5.7
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cpe:2.3:a:samba:cifs-utils:5.8
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cpe:2.3:a:samba:cifs-utils:5.9
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cpe:2.3:a:samba:cifs-utils:6.0
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cpe:2.3:a:samba:cifs-utils:6.1
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cpe:2.3:a:samba:cifs-utils:6.10
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cpe:2.3:a:samba:cifs-utils:6.2
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cpe:2.3:a:samba:cifs-utils:6.3
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cpe:2.3:a:samba:cifs-utils:6.4
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cpe:2.3:a:samba:cifs-utils:6.5
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cpe:2.3:a:samba:cifs-utils:6.6
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cpe:2.3:a:samba:cifs-utils:6.7
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cpe:2.3:a:samba:cifs-utils:6.8
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cpe:2.3:a:samba:cifs-utils:6.9
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cpe:2.3:o:fedoraproject:fedora:33
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cpe:2.3:o:fedoraproject:fedora:34
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cpe:2.3:o:fedoraproject:fedora:35
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cpe:2.3:o:redhat:enterprise_linux:7.0
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cpe:2.3:o:redhat:enterprise_linux:8.0