high7.2
CVE-2020-25719
A flaw was found in the way Samba, as an Active Directory Domain Controller, implemented Kerberos name-based authentication.
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Samba | Samba | from 4.0.0 before 4.13.14 from 4.14.0 before 4.14.10 from 4.15.0 before 4.15.2 |
| Debian | Debian Linux | Versions 9.0, 10.0 |
| Fedoraproject | Fedora | Versions 33, 34, 35 |
| Canonical | Ubuntu Linux | Versions 20.04, 21.04, 21.10 |
| Redhat | Enterprise Linux | Versions 7.0, 8.0 |
| Redhat | Enterprise Linux Desktop | Version 7.0 |
| Redhat | Enterprise Linux Eus | Versions 8.2, 8.4 |
| Redhat | Enterprise Linux For Ibm Z Systems | Versions 7.0, 8.0 |
| Redhat | Enterprise Linux For Ibm Z Systems Eus | Versions 8.2, 8.4 |
| Redhat | Enterprise Linux For Power Big Endian | Version 7.0 |
| Redhat | Enterprise Linux For Power Little Endian | Versions 7.0, 8.0 |
| Redhat | Enterprise Linux For Power Little Endian Eus | Versions 8.2, 8.4 |
Weakness classification
References
- NVD record
- CVE.org record
- https://bugzilla.redhat.com/show_bug.cgi?id=2019732
- https://security.gentoo.org/glsa/202309-06
- https://www.samba.org/samba/security/CVE-2020-25719.html
- https://bugzilla.redhat.com/show_bug.cgi?id=2019732
- https://security.gentoo.org/glsa/202309-06
- https://www.samba.org/samba/security/CVE-2020-25719.html