CVE-2018-16844
Last modified
CVE-2018-16844 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. nginx before versions 1.15.6 and 1.14.1 has a vulnerability in the implementation of HTTP/2 that can allow for excessive CPU usage. 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.. EPSS estimates a 12.40% chance of exploitation in the next 30 days.
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 CPU usage. 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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| F5 | Nginx | >= 1.9.5, < 1.14.1 |
| F5 | Nginx | >= 1.15.0, < 1.15.6 |
| Debian | Debian Linux | 9.0 |
| Canonical | Ubuntu Linux | 14.04 |
| Canonical | Ubuntu Linux | 16.04 |
| Canonical | Ubuntu Linux | 18.04 |
| Canonical | Ubuntu Linux | 18.10 |
| Apple | Xcode | < 13.0 |
References
- http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00035.htmlThird Party Advisory
- http://mailman.nginx.org/pipermail/nginx-announce/2018/000220.htmlMailing List, Vendor Advisory
- http://seclists.org/fulldisclosure/2021/Sep/36Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/105868Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1042038Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2018:3680Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:3681Third Party Advisory
- https://support.apple.com/kb/HT212818Third Party Advisory
- https://usn.ubuntu.com/3812-1/Third Party Advisory
- https://www.debian.org/security/2018/dsa-4335Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00035.htmlThird Party Advisory
- http://mailman.nginx.org/pipermail/nginx-announce/2018/000220.htmlMailing List, Vendor Advisory
- http://seclists.org/fulldisclosure/2021/Sep/36Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/105868Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1042038Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2018:3680Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:3681Third Party Advisory
- https://support.apple.com/kb/HT212818Third Party Advisory
- https://usn.ubuntu.com/3812-1/Third Party Advisory
- https://www.debian.org/security/2018/dsa-4335Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
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- CVE-2018-16845nginx before versions 1.15.6, 1.14.1 has a vulnerability in …6.1
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