Account Misconfiguration in Samba Affecting Key Distribution Center Services
CVE-2022-2031

8.8HIGH

Key Information:

Vendor

Samba

Status
Samba
Vendor
CVE Published:
25 August 2022

What is CVE-2022-2031?

A security flaw in Samba occurs when the Key Distribution Center (KDC) and the kpasswd service operate under a shared account and set of keys. This misconfiguration allows a malicious user, specifically one who has been prompted to change their password, to manipulate the system and leverage the deceptive capability to decrypt tickets issued for other services. As a result, the attacker could gain unauthorized access to sensitive resources and perform actions under the guise of legitimate credentials.

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Affected Version(s)

samba Versions prior to samba 4.16.4, samba 4.15.9, samba 4.14.14

References

https://www.samba.org/samba/security/CVE-2022-2031.html
https://security.gentoo.org/glsa/202309-06
vendor-advisory

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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