Medium severity · published Feb 15, 2016
CVE-2016-0747
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…
5.3
CVSS
8.7%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)8.7% · higher than 95% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
7.0; 8.0; 9.0 · source: NVD
LE
Leap · Opensuse
42.1; 42.1 · source: NVD
NG
Nginx · F5
0.6.18 before 1.8.1; 1.9.0 before 1.9.10 · source: NVD
UL
Ubuntu Linux · Canonical
14.04; 15.10 · source: NVD
XC
Xcode · Apple
before 13.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2016-0747
CVE.org
https://www.cve.org/CVERecord?id=CVE-2016-0747
Mailing List
http://lists.opensuse.org/opensuse-updates/2016-02/msg00042.html
Vendor Advisory
http://mailman.nginx.org/pipermail/nginx/2016-January/049700.html
Mailing List
http://seclists.org/fulldisclosure/2021/Sep/36
Third Party Advisory
http://www.debian.org/security/2016/dsa-3473
Third Party Advisory
http://www.securitytracker.com/id/1034869
Third Party Advisory
http://www.ubuntu.com/usn/USN-2892-1
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