Samba Vulnerability in DNS Host Name Validation
CVE-2022-32743

7.5HIGH

Key Information:

Vendor

Samba

Status
Samba
Vendor
CVE Published:
1 September 2022
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What is CVE-2022-32743?

The Samba software suite contains a vulnerability that fails to correctly validate the 'dNSHostName' attribute input. This oversight allows unprivileged users to write or modify the 'dNSHostName', potentially leading to unauthorized changes in DNS records. As a result, this flaw poses security risks related to DNS spoofing and unauthorized access, enabling malicious actors to exploit this weakness. Ensuring proper validation of input attributes is critical for maintaining the integrity of the DNS environment in Samba configurations.

Affected Version(s)

samba samba 4.1 and newer

References

https://bugzilla.samba.org/show_bug.cgi?id=14833
https://docs.microsoft.com/en-us/openspecs/windows_protoc...
https://lists.fedoraproject.org/archives/list/package-ann...
vendor-advisory

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
High
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.