Vulnerability Details : CVE-2014-0239
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.
Vulnerability category: Input validationDenial of service
Products affected by CVE-2014-0239
- cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*
- cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2014-0239
10.58%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 95 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2014-0239
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST |
CWE ids for CVE-2014-0239
-
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.Assigned by: nvd@nist.gov (Primary)
References for CVE-2014-0239
-
http://www.samba.org/samba/security/CVE-2014-0239
Samba - Security Announcement ArchiveVendor Advisory
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http://www.securityfocus.com/bid/67691
Samba DNS Protocol Handling Denial of Service VulnerabilityThird Party Advisory;VDB Entry
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http://security.gentoo.org/glsa/glsa-201502-15.xml
Samba: Multiple vulnerabilities (GLSA 201502-15) — Gentoo securityThird Party Advisory
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http://www.securitytracker.com/id/1030309
Samba DNS Reply Flag Processing Flaw Lets Remote Users Deny Service - SecurityTrackerThird Party Advisory;VDB Entry
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