Vulnerability Monitor

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CVE-2020-25719

A flaw was found in the way Samba, as an Active Directory Domain Controller, implemented Kerberos name-based authentication. The Samba AD DC, could become confused about the user a ticket represents if it did not strictly require a Kerberos PAC and always use the SIDs found within. The result could include total domain compromise.

Published

2022-02-18T18:15:08.563

Last Modified

2024-11-21T05:18:34.137

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.2 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:S/C:C/I:C/A:C

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: SINGLE
  • Confidentiality Impact: COMPLETE
  • Integrity Impact: COMPLETE
  • Availability Impact: COMPLETE
Exploitability Score

8.0

Impact Score

10.0

Weaknesses
  • Type: Secondary
    CWE-287
  • Type: Primary
    CWE-362
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application samba samba < 4.13.14 Yes
Application samba samba < 4.14.10 Yes
Application samba samba < 4.15.2 Yes
Operating System debian debian_linux 9.0 Yes
Operating System debian debian_linux 10.0 Yes
Operating System fedoraproject fedora 33 Yes
Operating System fedoraproject fedora 34 Yes
Operating System fedoraproject fedora 35 Yes
Operating System canonical ubuntu_linux 20.04 Yes
Operating System canonical ubuntu_linux 21.04 Yes
Operating System canonical ubuntu_linux 21.10 Yes
Operating System redhat enterprise_linux 7.0 Yes
Operating System redhat enterprise_linux 8.0 Yes
Operating System redhat enterprise_linux_desktop 7.0 Yes
Operating System redhat enterprise_linux_eus 8.2 Yes
Operating System redhat enterprise_linux_eus 8.4 Yes
Operating System redhat enterprise_linux_for_ibm_z_systems 7.0 Yes
Operating System redhat enterprise_linux_for_ibm_z_systems 8.0 Yes
Operating System redhat enterprise_linux_for_ibm_z_systems_eus 8.2 Yes
Operating System redhat enterprise_linux_for_ibm_z_systems_eus 8.4 Yes
Operating System redhat enterprise_linux_for_power_big_endian 7.0 Yes
Operating System redhat enterprise_linux_for_power_little_endian 7.0 Yes
Operating System redhat enterprise_linux_for_power_little_endian 8.0 Yes
Operating System redhat enterprise_linux_for_power_little_endian_eus 8.2 Yes
Operating System redhat enterprise_linux_for_power_little_endian_eus 8.4 Yes
Operating System redhat enterprise_linux_for_scientific_computing 7.0 Yes
Operating System redhat enterprise_linux_server_aus 8.2 Yes
Operating System redhat enterprise_linux_server_aus 8.4 Yes
Operating System redhat enterprise_linux_server_tus 8.2 Yes
Operating System redhat enterprise_linux_server_tus 8.4 Yes
Operating System redhat enterprise_linux_server_update_services_for_sap_solutions 8.2 Yes
Operating System redhat enterprise_linux_server_update_services_for_sap_solutions 8.4 Yes
Operating System redhat enterprise_linux_workstation 7.0 Yes
References