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…
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 66.8%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.
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.
- CVSS 2.0
- 5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P
- EPSS
- 66.81% probability · 99th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- samba/samba
- Source
- secalert@redhat.com
References
- http://secunia.com/advisories/59579Third Party Advisory
- http://security.gentoo.org/glsa/glsa-201502-15.xmlThird Party Advisory
- http://www.samba.org/samba/security/CVE-2014-0239Vendor Advisory
- http://www.securityfocus.com/bid/67691Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1030309Third Party Advisory, VDB Entry
- http://secunia.com/advisories/59579Third Party Advisory
- http://security.gentoo.org/glsa/glsa-201502-15.xmlThird Party Advisory
- http://www.samba.org/samba/security/CVE-2014-0239Vendor Advisory
- http://www.securityfocus.com/bid/67691Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1030309Third Party Advisory, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.