CVE-2016-8740
Last modified
CVE-2016-8740 is a vulnerability of currently unknown severity. The mod_http2 module in the Apache HTTP Server 2.4.17 through 2.4.23, when the Protocols configuration includes h2 or h2c, does not restrict request-header length, which allows remote attackers to cause a denial of service (memory consumption) via crafted CONTINUATION frames in an HTTP/2 request.. EPSS estimates a 79.07% chance of exploitation in the next 30 days.
Description
The mod_http2 module in the Apache HTTP Server 2.4.17 through 2.4.23, when the Protocols configuration includes h2 or h2c, does not restrict request-header length, which allows remote attackers to cause a denial of service (memory consumption) via crafted CONTINUATION frames in an HTTP/2 request.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Apache | Http Server | 2.4.17 |
| Apache | Http Server | 2.4.18 |
| Apache | Http Server | 2.4.19 |
| Apache | Http Server | 2.4.20 |
| Apache | Http Server | 2.4.21 |
| Apache | Http Server | 2.4.22 |
| Apache | Http Server | 2.4.23 |
References
- http://packetstormsecurity.com/files/140023/Apache-HTTPD-Web-Server-2.4.23-Memory-Exhaustion.htmlExploit, Third Party Advisory, VDB Entry
- http://www.securityfocus.com/bid/94650Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1037388Third Party Advisory, VDB Entry
- https://github.com/apache/httpd/commit/29c63b786ae028d82405421585e91283c8fa0da3Issue Tracking, Patch, Third Party Advisory
- https://www.exploit-db.com/exploits/40909/Exploit, Third Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/140023/Apache-HTTPD-Web-Server-2.4.23-Memory-Exhaustion.htmlExploit, Third Party Advisory, VDB Entry
- http://www.securityfocus.com/bid/94650Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1037388Third Party Advisory, VDB Entry
- https://github.com/apache/httpd/commit/29c63b786ae028d82405421585e91283c8fa0da3Issue Tracking, Patch, Third Party Advisory
- https://www.exploit-db.com/exploits/40909/Exploit, Third Party Advisory, VDB Entry
Timeline
- Published
- Last Modified
- Status
- Modified
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