Vulnerability CVE-2018-16843
Published: 2018-11-07

Description:
nginx before versions 1.15.6 and 1.14.1 has a vulnerability in the implementation of HTTP/2 that can allow for excessive memory consumption. This issue affects nginx compiled with the ngx_http_v2_module (not compiled by default) if the 'http2' option of the 'listen' directive is used in a configuration file.

Type:

CWE-400

 (Uncontrolled Resource Consumption ('Resource Exhaustion'))

CVSS2 => (AV:N/AC:L/Au:N/C:N/I:N/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.8/10
6.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Complete
Affected software
Nginx -> Nginx 
Debian -> Debian linux 
Canonical -> Ubuntu linux 

 References:
http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00035.html
http://mailman.nginx.org/pipermail/nginx-announce/2018/000220.html
http://www.securityfocus.com/bid/105868
http://www.securitytracker.com/id/1042038
https://access.redhat.com/errata/RHSA-2018:3653
https://access.redhat.com/errata/RHSA-2018:3680
https://access.redhat.com/errata/RHSA-2018:3681
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16843
https://usn.ubuntu.com/3812-1/
https://www.debian.org/security/2018/dsa-4335
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