CVE-2022-2031

samba: kpasswd authentication with canonicalization enabled against Samba AD DC with Heimdal returns a krbtgt

Published Aug 25, 2022 CVSS 3.1 · 8.8 High EPSS 1.3% KEV · Not listed
Description
A flaw was found in Samba. The security vulnerability occurs when KDC and the kpasswd service share a single account and set of keys, allowing them to decrypt each other's tickets. A user who has been requested to change their password, can exploit this flaw to obtain and use tickets to other services.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DSA Debian DSA DSA-5205-1 samba security update
EUVD EUVD EUVD-2022-34335 A flaw was found in Samba. The security vulnerability occurs when KDC and the kpasswd service share a single account and set of keys, allowing them to decrypt each other's tickets. A user who has been requested to change their password, can exploit this flaw to obtain and use tickets to other services.
Ubuntu USN Ubuntu USN USN-5542-1 Samba vulnerabilities
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
redhat
Published
Updated
Aug 3, 2024, 12:24 AM
Reserved
Jun 8, 2022, 12:00 AM
Status
Modified
Published
Aug 25, 2022, 6:15 PM
Modified
Jun 17, 2026, 4:41 AM
Severity
Moderate
Public date
Jul 27, 2022, 12:00 AM