Executive Summary

Informations
Name CVE-2016-8740 First vendor Publication 2016-12-05
Vendor Cve Last vendor Modification 2024-11-21

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Overall CVSS Score 7.5
Base Score 7.5 Environmental Score 7.5
impact SubScore 3.6 Temporal Score 7.5
Exploitabality Sub Score 3.9
 
Attack Vector Network Attack Complexity Low
Privileges Required None User Interaction None
Scope Unchanged Confidentiality Impact None
Integrity Impact None Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:N/C:N/I:N/A:P)
Cvss Base Score 5 Attack Range Network
Cvss Impact Score 2.9 Attack Complexity Low
Cvss Expoit Score 10 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

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.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-8740

CWE : Common Weakness Enumeration

% Id Name
50 % CWE-399 Resource Management Errors
50 % CWE-20 Improper Input Validation

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 7

Snort® IPS/IDS

Date Description
2017-03-28 Apache HTTP Server mod_http2 denial of service attempt
RuleID : 41688 - Revision : 2 - Type : SERVER-APACHE

Nessus® Vulnerability Scanner

Date Description
2017-11-03 Name : The remote host is missing a macOS or Mac OS X security update that fixes mul...
File : macosx_SecUpd2017-004.nasl - Type : ACT_GATHER_INFO
2017-10-03 Name : The remote host is missing a macOS update that fixes multiple security vulner...
File : macos_10_13.nasl - Type : ACT_GATHER_INFO
2017-06-26 Name : The Tenable SecurityCenter application on the remote host contains a web serv...
File : securitycenter_apache_2_4_25.nasl - Type : ACT_GATHER_INFO
2017-03-31 Name : The remote host is missing a macOS update that fixes multiple security vulner...
File : macos_10_12_4.nasl - Type : ACT_GATHER_INFO
2017-03-14 Name : An application installed on the remote host is affected by multiple vulnerabi...
File : securitycenter_5_4_3_tns_2017_04.nasl - Type : ACT_GATHER_INFO
2017-01-30 Name : The remote openSUSE host is missing a security update.
File : openSUSE-2017-154.nasl - Type : ACT_GATHER_INFO
2017-01-20 Name : The remote SUSE host is missing one or more security updates.
File : suse_SU-2017-0203-1.nasl - Type : ACT_GATHER_INFO
2017-01-16 Name : The remote Gentoo host is missing one or more security-related patches.
File : gentoo_GLSA-201701-36.nasl - Type : ACT_GATHER_INFO
2017-01-12 Name : The remote web server is affected by multiple vulnerabilities.
File : apache_2_4_25.nasl - Type : ACT_GATHER_INFO
2016-12-27 Name : The remote Slackware host is missing a security update.
File : Slackware_SSA_2016-358-01.nasl - Type : ACT_GATHER_INFO
2016-12-21 Name : The remote FreeBSD host is missing a security-related update.
File : freebsd_pkg_862d6ab3c75e11e69f9820cf30e32f6d.nasl - Type : ACT_GATHER_INFO
2016-12-12 Name : The remote Fedora host is missing a security update.
File : fedora_2016-b39fedec11.nasl - Type : ACT_GATHER_INFO
2016-12-09 Name : The remote Fedora host is missing a security update.
File : fedora_2016-260d22944d.nasl - Type : ACT_GATHER_INFO
2016-12-07 Name : The remote FreeBSD host is missing one or more security-related updates.
File : freebsd_pkg_cb0bf1ecbb9211e6a9a5b499baebfeaf.nasl - Type : ACT_GATHER_INFO

Sources (Detail)

http://packetstormsecurity.com/files/140023/Apache-HTTPD-Web-Server-2.4.23-Me...
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...
https://lists.apache.org/thread.html/56c2e7cc9deb1c12a843d0dc251ea7fd3e7e8029...
https://lists.apache.org/thread.html/84a3714f0878781f6ed84473d1a503d2cc382277...
https://lists.apache.org/thread.html/r04e89e873d54116a0635ef2f7061c15acc5ed27...
https://lists.apache.org/thread.html/r476d175be0aaf4a17680ef98c5153b4d336eaef...
https://lists.apache.org/thread.html/r76142b8c5119df2178be7c2dba88fde552eedee...
https://lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f...
https://lists.apache.org/thread.html/rb14daf9cc4e28d18cdc15d6a6ca74e565672fab...
https://lists.apache.org/thread.html/rc998b18880df98bafaade071346690c2bc1444a...
https://lists.apache.org/thread.html/rcc44594d4d6579b90deccd4536b5d31f099ef56...
https://lists.apache.org/thread.html/rd18c3c43602e66f9cdcf09f1de233804975b957...
https://lists.apache.org/thread.html/rd336919f655b7ff309385e34a143e41c503e133...
https://lists.apache.org/thread.html/re1e3a24664d35bcd0a0e793e0b5fc6ca6c107f9...
https://lists.apache.org/thread.html/re3d27b6250aa8548b8845d314bb8a350b3df326...
https://lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f...
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
Source Url

Alert History

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Date Informations
2024-11-28 12:59:50
  • Multiple Updates
2023-11-07 21:43:32
  • Multiple Updates
2022-05-14 12:27:49
  • Multiple Updates
2021-06-06 17:23:00
  • Multiple Updates
2021-06-03 13:23:11
  • Multiple Updates
2021-05-04 12:54:57
  • Multiple Updates
2021-04-22 02:07:26
  • Multiple Updates
2021-03-30 17:22:50
  • Multiple Updates
2020-05-23 00:53:36
  • Multiple Updates
2019-08-16 12:04:59
  • Multiple Updates
2018-04-25 09:19:16
  • Multiple Updates
2018-01-05 09:23:57
  • Multiple Updates
2017-12-09 13:24:14
  • Multiple Updates
2017-11-14 09:23:12
  • Multiple Updates
2017-11-04 13:25:25
  • Multiple Updates
2017-11-03 09:21:17
  • Multiple Updates
2017-09-22 13:24:45
  • Multiple Updates
2017-07-01 09:23:46
  • Multiple Updates
2017-06-27 13:23:21
  • Multiple Updates
2017-05-10 09:23:35
  • Multiple Updates
2017-04-01 13:25:06
  • Multiple Updates
2017-03-15 13:22:41
  • Multiple Updates
2017-01-31 13:26:20
  • Multiple Updates
2017-01-21 13:22:46
  • Multiple Updates
2017-01-17 13:22:45
  • Multiple Updates
2017-01-13 13:24:47
  • Multiple Updates
2016-12-23 05:23:33
  • Multiple Updates
2016-12-22 13:22:45
  • Multiple Updates
2016-12-22 09:24:10
  • Multiple Updates
2016-12-13 13:24:13
  • Multiple Updates
2016-12-10 13:24:59
  • Multiple Updates
2016-12-08 13:25:11
  • Multiple Updates
2016-12-08 00:24:00
  • Multiple Updates
2016-12-07 21:25:17
  • Multiple Updates
2016-12-06 21:25:28
  • Multiple Updates
2016-12-06 00:23:28
  • First insertion