CVE-2022-2031: High severity samba vulnerability

Published Aug 25, 2022
·
Updated

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.

Affected Software

3 affected components
Samba Samba<4.14.14
Samba Samba>=4.15.0<4.15.9
Samba Samba>=4.16.0<4.16.4

Event History

Aug 25, 2022
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
DescriptionWeakness

Frequently Asked Questions

1

What is CVE-2022-2031?

CVE-2022-2031 is a security vulnerability in Samba that allows a user to obtain and use tickets to other services when the KDC and kpasswd service share a single account and set of keys.

2

What is the severity of CVE-2022-2031?

The severity of CVE-2022-2031 is high, with a CVSS score of 8.8.

3

What software is affected by CVE-2022-2031?

Samba versions up to and including 4.16.4 are affected by CVE-2022-2031.

4

How can the CVE-2022-2031 vulnerability be exploited?

A user who has been requested to change their password can exploit the CVE-2022-2031 vulnerability to obtain and use tickets to other services.

5

Are there any references for CVE-2022-2031?

Yes, you can find more information about CVE-2022-2031 at the following references: - [Gentoo Security Advisory](https://security.gentoo.org/glsa/202309-06) - [Samba Security Advisory](https://www.samba.org/samba/security/CVE-2022-2031.html)

Contact

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