CVE-2021-20208

Summary

CVECVE-2021-20208
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2021-04-19 22:15:00 UTC
Updated2023-11-07 03:29:00 UTC
DescriptionA 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.

Risk And Classification

Problem Types: CWE-269

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Fedoraproject Fedora 33 All All All
Operating System Fedoraproject Fedora 34 All All All
Operating System Fedoraproject Fedora 35 All All All
Operating System Redhat Enterprise Linux 7.0 All All All
Operating System Redhat Enterprise Linux 8.0 All All All
Application Samba Cifs-utils All All All All

References

ReferenceSourceLinkTags
[SECURITY] Fedora 34 Update: cifs-utils-6.13-3.fc34 - package-announce - Fedora Mailing-Lists FEDORA lists.fedoraproject.org
[SECURITY] Fedora 35 Update: cifs-utils-6.13-3.fc35 - package-announce - Fedora Mailing-Lists FEDORA lists.fedoraproject.org
14651 – CVE-2021-20208 [SECURITY][EMBARGOED] cifs-utils: cifs.upcall kerberos auth leak in container MISC bugzilla.samba.org
[SECURITY] Fedora 35 Update: cifs-utils-6.13-3.fc35 - package-announce - Fedora Mailing-Lists lists.fedoraproject.org
[SECURITY] Fedora 34 Update: cifs-utils-6.13-3.fc34 - package-announce - Fedora Mailing-Lists lists.fedoraproject.org
[SECURITY] Fedora 33 Update: cifs-utils-6.13-3.fc33 - package-announce - Fedora Mailing-Lists FEDORA lists.fedoraproject.org
[SECURITY] Fedora 33 Update: cifs-utils-6.13-3.fc33 - package-announce - Fedora Mailing-Lists lists.fedoraproject.org
1921116 – (CVE-2021-20208) CVE-2021-20208 cifs-utils: Container can use kerberos cache from the host via mount.cifs/cifs.upcall MISC bugzilla.redhat.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 174889 SUSE Enterprise Linux Security Update for cifs-utils (SUSE-SU-2021:1161-1)
  • 174890 SUSE Enterprise Linux Security Update for cifs-utils (SUSE-SU-2021:1159-1)
  • 174970 SUSE Enterprise Linux Security Update for cifs-utils (SUSE-SU-2021:1455-1)
  • 180508 Debian Security Update for cifs-utils (CVE-2021-20208)
  • 198816 Ubuntu Security Notification for cifs-utils Vulnerabilities (USN-5459-1)
  • 281948 Fedora Security Update for cifs (FEDORA-2021-c87ed13391)
  • 281949 Fedora Security Update for cifs (FEDORA-2021-b1bb3d3b20)
  • 500091 Alpine Linux Security Update for cifs-utils
  • 503677 Alpine Linux Security Update for cifs-utils
  • 505858 Alpine Linux Security Update for cifs-utils
  • 670421 EulerOS Security Update for cifs-utils (EulerOS-SA-2021-1978)
  • 670479 EulerOS Security Update for cifs-utils (EulerOS-SA-2021-2237)
  • 670505 EulerOS Security Update for cifs-utils (EulerOS-SA-2021-2263)
  • 670564 EulerOS Security Update for cifs-utils (EulerOS-SA-2021-2323)
  • 670601 EulerOS Security Update for cifs-utils (EulerOS-SA-2021-2359)
  • 670862 EulerOS Security Update for cifs-utils (EulerOS-SA-2021-2575)
  • 750237 OpenSUSE Security Update for cifs-utils (openSUSE-SU-2021:0639-1)
  • 900215 CBL-Mariner Linux Security Update for cifs-utils 6.8
  • 901024 Common Base Linux Mariner (CBL-Mariner) Security Update for cifs-utils (6354-1)
  • 903460 Common Base Linux Mariner (CBL-Mariner) Security Update for cifs-utils (4161)
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