CVE-2020-25719
18.02.2022, 18:15
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.
| Vendor | Product | Version |
|---|---|---|
| samba | samba | 4.0.0 ≤ 𝑥 < 4.13.14 |
| samba | samba | 4.14.0 ≤ 𝑥 < 4.14.10 |
| samba | samba | 4.15.0 ≤ 𝑥 < 4.15.2 |
| debian | debian_linux | 9.0 |
| debian | debian_linux | 10.0 |
| canonical | ubuntu_linux | 20.04 |
| canonical | ubuntu_linux | 21.04 |
| canonical | ubuntu_linux | 21.10 |
| redhat | enterprise_linux | 7.0 |
| redhat | enterprise_linux | 8.0 |
| redhat | enterprise_linux_desktop | 7.0 |
| redhat | enterprise_linux_eus | 8.2 |
| redhat | enterprise_linux_eus | 8.4 |
| redhat | enterprise_linux_for_ibm_z_systems | 7.0 |
| redhat | enterprise_linux_for_ibm_z_systems | 8.0 |
| redhat | enterprise_linux_for_ibm_z_systems_eus | 8.2 |
| redhat | enterprise_linux_for_ibm_z_systems_eus | 8.4 |
| redhat | enterprise_linux_for_power_big_endian | 7.0 |
| redhat | enterprise_linux_for_power_little_endian | 7.0 |
| redhat | enterprise_linux_for_power_little_endian | 8.0 |
| redhat | enterprise_linux_for_power_little_endian_eus | 8.2 |
| redhat | enterprise_linux_for_power_little_endian_eus | 8.4 |
| redhat | enterprise_linux_for_scientific_computing | 7.0 |
| redhat | enterprise_linux_server_aus | 8.2 |
| redhat | enterprise_linux_server_aus | 8.4 |
| redhat | enterprise_linux_server_tus | 8.2 |
| redhat | enterprise_linux_server_tus | 8.4 |
| redhat | enterprise_linux_server_update_services_for_sap_solutions | 8.2 |
| redhat | enterprise_linux_server_update_services_for_sap_solutions | 8.4 |
| redhat | enterprise_linux_workstation | 7.0 |
𝑥
= Vulnerable software versions
Debian Releases
Ubuntu Releases
Ubuntu Product | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| samba |
|
Common Weakness Enumeration
- CWE-287 - Improper AuthenticationWhen an actor claims to have a given identity, the software does not prove or insufficiently proves that the claim is correct.
- CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')The program contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently.
References