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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.

Data is provided by the National Vulnerability Database (NVD)
Samba ≫ Samba Version >= 4.0.0 < 4.13.14
Samba ≫ Samba Version >= 4.14.0 < 4.14.10
Samba ≫ Samba Version >= 4.15.0 < 4.15.2
Debian ≫ Debian Linux Version9.0
Debian ≫ Debian Linux Version10.0
Fedoraproject ≫ Fedora Version33
Fedoraproject ≫ Fedora Version34
Fedoraproject ≫ Fedora Version35
Canonical ≫ Ubuntu Linux Version20.04 SwEditionlts
Canonical ≫ Ubuntu Linux Version21.04
Canonical ≫ Ubuntu Linux Version21.10
Redhat ≫ Enterprise Linux Version7.0
Redhat ≫ Enterprise Linux Version8.0
Redhat ≫ Enterprise Linux Eus Version8.2
Redhat ≫ Enterprise Linux Eus Version8.4
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Type Source Score Percentile
EPSS FIRST.org 0.28% 0.513
CVSS Metriken
Source Base Score Exploit Score Impact Score Vector string
nvd@nist.gov 7.2 1.2 5.9
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
nvd@nist.gov 9 8 10
AV:N/AC:L/Au:S/C:C/I:C/A:C
CWE-287 Improper Authentication

When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.

CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

The product contains a concurrent code sequence that 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 operating concurrently.

https://bugzilla.redhat.com/show_bug.cgi?id=2019732
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