Improper input validation in Samba
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 class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v2 metric
CVSS v2 base score 5.0 (Medium). Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.668 (99.3th percentile), scored .
High probability of exploitation in the next 30 days — patch promptly. 99th percentile — 99.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.668 · newest: 0.668 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.samba.org/samba/security/CVE-2014-0239 (Vendor Advisory)
- security.gentoo.org/glsa/glsa-201502-15.xml (vendor-advisory, Third Party Advisory)
- www.securityfocus.com/bid/67691 (VDB Entry, Third Party Advisory, vdb-entry)
- secunia.com/advisories/59579 (Third Party Advisory, third-party-advisory)
- www.securitytracker.com/id/1030309 (VDB Entry, Third Party Advisory, vdb-entry)
Frequently asked questions
- What is CVE-2014-0239?
- CVE-2014-0239 is a vulnerability in Samba, classified under Improper Input Validation. Published 2014-05-28.
- Is CVE-2014-0239 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.