CVE-2016-8740 Information
Share on: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.
CVSS Vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Reference
http://packetstormsecurity.com/files/140023/Apache-HTTPD-Web-Server-2.4.23-Memory-Exhaustion.html http://rhn.redhat.com/errata/RHSA-2017-1415.html http://www.securityfocus.com/bid/94650 http://www.securitytracker.com/id/1037388 https://access.redhat.com/errata/RHSA-2017:1161 https://access.redhat.com/errata/RHSA-2017:1413 https://access.redhat.com/errata/RHSA-2017:1414 https://github.com/apache/httpd/commit/29c63b786ae028d82405421585e91283c8fa0da3 https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03725en_us https://lists.apache.org/thread.html/56c2e7cc9deb1c12a843d0dc251ea7fd3e7e80293cde02fcd65286ba@3Ccvs.httpd.apache.org3E https://lists.apache.org/thread.html/84a3714f0878781f6ed84473d1a503d2cc382277e100450209231830@3Ccvs.httpd.apache.org3E https://lists.apache.org/thread.html/rd18c3c43602e66f9cdcf09f1de233804975b9572b0456cc582390b6f@3Ccvs.httpd.apache.org3E https://lists.apache.org/thread.html/re3d27b6250aa8548b8845d314bb8a350b3df326cacbbfdfe4d455234@3Ccvs.httpd.apache.org3E https://security.gentoo.org/glsa/201701-36 https://security.netapp.com/advisory/ntap-20180423-0001/ https://support.apple.com/HT208221 https://www.exploit-db.com/exploits/40909/ https://www.tenable.com/security/tns-2017-04
Attack Complexity
LOW
Privileges Required
NONE
User Interaction Required
NONE
Scope
NONE
Confidentiality Impact
UNCHANGED
Integrity Impact
NONE
Availability Impact
NONE
Base Score
HIGH
Base Severity
7.5