CVE-2016-0747
MEDIUM severity · CVSS 5.3 · Uncontrolled resource consumption
5.3CVSS MEDIUM
Summary
The resolver in nginx before 1.8.1 and 1.9.x before 1.9.10 does not properly limit CNAME resolution, which allows remote attackers to cause a denial of service (worker process resource consumption) via vectors related to arbitrary name resolution.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
Confidentiality impactNone
Integrity impactNone
Availability impactLow
Exploit probability (EPSS)8%
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Affected products we track (1)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Additional information
- NVD record
- http://mailman.nginx.org/pipermail/nginx/2016-January/049700.htmlAdvisory
- http://lists.opensuse.org/opensuse-updates/2016-02/msg00042.htmlAdvisory
- http://seclists.org/fulldisclosure/2021/Sep/36Advisory
- http://www.debian.org/security/2016/dsa-3473Advisory
- http://www.securitytracker.com/id/1034869Advisory
- http://www.ubuntu.com/usn/USN-2892-1Advisory
- https://access.redhat.com/errata/RHSA-2016:1425Advisory
- https://bto.bluecoat.com/security-advisory/sa115Advisory