CVE-2016-0746
CRITICAL severity · CVSS 9.8 · Use-after-free
9.8CVSS CRITICAL
Summary
Use-after-free vulnerability in the resolver in nginx 0.6.18 through 1.8.0 and 1.9.x before 1.9.10 allows remote attackers to cause a denial of service (worker process crash) or possibly have unspecified other impact via a crafted DNS response related to CNAME response processing.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)9%
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. 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