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CVE

CVE-2022-2031

A flaw was found in Samba. The security vulnerability occurs when KDC and the kpasswd service share a single account and

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.

HIGH · CVSS 8.8 EPSS 0.00351
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-287Improper Authentication
CWE-288Authentication Bypass Using an Alternate Path or Channel
▤

Affected Products & Versions

3
samba< 4.14.14
samba>= 4.15.0 and < 4.15.9
samba>= 4.16.0 and < 4.16.4
▣

Scoring & Timeline

8.8
HIGH · CVSS v3.1 · secalert@redhat.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD25 Aug 2022 · 06:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
⚑

Vendor Advisories

10
msrcCVE-2022-2031
suse-csafopenSUSE-SU-2024:12243-1
suse-csafSUSE-SU-2023:0160-1
suse-csafSUSE-SU-2023:0081-1
suse-csafSUSE-SU-2022:4395-1
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://security.gentoo.org/glsa/202309-06
https://www.samba.org/samba/security/CVE-2022-2031.htmlVendor Advisory
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