Vulnerability CVE-2020-25721
Published: 2022-03-16

Description:
Kerberos acceptors need easy access to stable AD identifiers (eg objectSid). Samba as an AD DC now provides a way for Linux applications to obtain a reliable SID (and samAccountName) in issued tickets.

Type:

CWE-20

 (Improper Input Validation)

CVSS2 => (AV:N/AC:L/Au:S/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
6.5/10
6.4/10
8/10
Exploit range
Attack complexity
Authentication
Remote
Low
Single time
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Samba -> Samba 

 References:
https://bugzilla.redhat.com/show_bug.cgi?id=2021728
https://www.samba.org/samba/security/CVE-2020-25721.html
https://bugzilla.samba.org/show_bug.cgi?id=14725
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