CVE-2014-0239

Severity CVSS v4.0:

Pending analysis

Type:

CWE-20 Input Validation

Publication date:

28/05/2014

Last modified:

12/04/2025

Description

The internal DNS server in Samba 4.x before 4.0.18 does not check the QR field in the header section of an incoming DNS message before sending a response, which allows remote attackers to cause a denial of service (CPU and bandwidth consumption) via a forged response packet that triggers a communication loop, a related issue to CVE-1999-0103.

Impact

Vector 2.0

AV:N/AC:L/Au:N/C:N/I:N/A:P CVSS v2.0 Severity and Metrics:

Base Score: 5.00 MEDIUM
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Physical

Base Score 2.0

5.00

Severity 2.0

MEDIUM

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:samba:samba::::::::	4.0.0 (including)	4.0.18 (excluding)
cpe:2.3:a:samba:samba::::::::	4.1.0 (including)	4.1.8 (excluding)

To consult the complete list of CPE names with products and versions, see this page

CVE-2014-0239

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools