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.

What is the severity of CVE-2022-2031?

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

What software is affected by CVE-2022-2031?

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

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.

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)

Vulnerability/
CVE-2022-2031

high

8.8

CWE

287 288

25/8/2022

3/8/2024

CVE-2022-2031

First published: Thu 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.

Credit: secalert@redhat.com secalert@redhat.com

Affected Software	Affected Version	How to fix
Samba Samba	<4.14.14
Samba Samba	>=4.15.0<4.15.9
Samba Samba	>=4.16.0<4.16.4

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Frequently Asked Questions

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.
What is the severity of CVE-2022-2031?
The severity of CVE-2022-2031 is high, with a CVSS score of 8.8.
What software is affected by CVE-2022-2031?
Samba versions up to and including 4.16.4 are affected by CVE-2022-2031.
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.
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)

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