CVE-2016-8740 Detail
Modified
This vulnerability has been modified since it was last analyzed by the NVD. It is awaiting reanalysis which may result in further changes to the information provided.
Current 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.
Source:
MITRE
Description Last Modified:
12/05/2016
View Analysis Description
Analysis 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.
Source:
MITRE
Description Last Modified:
12/05/2016
Impact
CVSS v3.0 Severity and Metrics:
Base Score:
7.5 HIGH
Vector:
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
(V3 legend)
Impact Score:
3.6
Exploitability Score:
3.9
Attack Vector (AV):
Network
Attack Complexity (AC):
Low
Privileges Required (PR):
None
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
None
Integrity (I):
None
Availability (A):
High
CVSS v2.0 Severity and Metrics:
Base Score:
5.0 MEDIUM
Vector:
(AV:N/AC:L/Au:N/C:N/I:N/A:P)
(V2 legend)
Impact Subscore:
2.9
Exploitability Subscore:
10.0
Access Vector (AV):
Network
Access Complexity (AC):
Low
Authentication (AU):
None
Confidentiality (C):
None
Integrity (I):
None
Availability (A):
Partial
Additional Information:
Allows disruption of service
References to Advisories, Solutions, and Tools
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Change History
11 change records found
- show changes
CVE Modified by MITRE -
4/24/2018 9:29:00 PM
| Action |
Type |
Old Value |
New Value |
| Added |
Reference |
|
https://security.netapp.com/advisory/ntap-20180423-0001/ [No Types Assigned] |
CVE Modified by MITRE -
1/4/2018 9:31:19 PM
| Action |
Type |
Old Value |
New Value |
| Added |
Reference |
|
http://rhn.redhat.com/errata/RHSA-2017-1415.html [No Types Assigned] |
| Added |
Reference |
|
https://access.redhat.com/errata/RHSA-2017:1161 [No Types Assigned] |
| Added |
Reference |
|
https://access.redhat.com/errata/RHSA-2017:1413 [No Types Assigned] |
| Added |
Reference |
|
https://access.redhat.com/errata/RHSA-2017:1414 [No Types Assigned] |
CVE Modified by MITRE -
11/13/2017 9:29:00 PM
| Action |
Type |
Old Value |
New Value |
| Added |
Reference |
|
https://support.apple.com/HT208221 [No Types Assigned] |
CVE Modified by MITRE -
11/2/2017 9:29:05 PM
| Action |
Type |
Old Value |
New Value |
| Added |
Reference |
|
https://www.tenable.com/security/tns-2017-04 [No Types Assigned] |
CVE Modified by MITRE -
6/30/2017 9:30:11 PM
| Action |
Type |
Old Value |
New Value |
| Added |
Reference |
|
https://security.gentoo.org/glsa/201701-36 [No Types Assigned] |
CVE Modified by MITRE -
5/9/2017 9:29:02 PM
| Action |
Type |
Old Value |
New Value |
| Added |
Reference |
|
https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03725en_us [No Types Assigned] |
Modified Analysis -
12/22/2016 6:23:11 PM
| Action |
Type |
Old Value |
New Value |
| Changed |
Reference Type |
http://packetstormsecurity.com/files/140023/Apache-HTTPD-Web-Server-2.4.23-Memory-Exhaustion.html No Types Assigned |
http://packetstormsecurity.com/files/140023/Apache-HTTPD-Web-Server-2.4.23-Memory-Exhaustion.html Third Party Advisory, VDB Entry, Exploit |
| Changed |
Reference Type |
http://www.securitytracker.com/id/1037388 No Types Assigned |
http://www.securitytracker.com/id/1037388 Third Party Advisory, VDB Entry |
| Changed |
Reference Type |
https://www.exploit-db.com/exploits/40909/ No Types Assigned |
https://www.exploit-db.com/exploits/40909/ Third Party Advisory, VDB Entry, Exploit |
CVE Modified by MITRE -
12/21/2016 10:00:25 PM
| Action |
Type |
Old Value |
New Value |
| Added |
Reference |
|
http://packetstormsecurity.com/files/140023/Apache-HTTPD-Web-Server-2.4.23-Memory-Exhaustion.html [No Types Assigned] |
| Added |
Reference |
|
http://www.securitytracker.com/id/1037388 [No Types Assigned] |
| Added |
Reference |
|
https://www.exploit-db.com/exploits/40909/ [No Types Assigned] |
Modified Analysis -
12/7/2016 2:35:53 PM
| Action |
Type |
Old Value |
New Value |
| Changed |
Reference Type |
http://www.securityfocus.com/bid/94650 No Types Assigned |
http://www.securityfocus.com/bid/94650 Third Party Advisory, VDB Entry |
CVE Modified by MITRE -
12/7/2016 1:33:17 PM
| Action |
Type |
Old Value |
New Value |
| Added |
Reference |
|
http://www.securityfocus.com/bid/94650 [No Types Assigned] |
Initial Analysis -
12/6/2016 10:32:00 AM
| Action |
Type |
Old Value |
New Value |
| Added |
CPE Configuration |
|
Configuration 1
OR
*cpe:2.3:a:apache:http_server:2.4.22:*:*:*:*:*:*:*
*cpe:2.3:a:apache:http_server:2.4.21:*:*:*:*:*:*:*
*cpe:2.3:a:apache:http_server:2.4.20:*:*:*:*:*:*:*
*cpe:2.3:a:apache:http_server:2.4.19:*:*:*:*:*:*:*
*cpe:2.3:a:apache:http_server:2.4.18:*:*:*:*:*:*:*
*cpe:2.3:a:apache:http_server:2.4.17:*:*:*:*:*:*:*
*cpe:2.3:a:apache:http_server:2.4.23:*:*:*:*:*:*:* |
| Added |
CVSS V2 |
|
(AV:N/AC:L/Au:N/C:N/I:N/A:P) |
| Added |
CVSS V3 |
|
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| Added |
CWE |
|
CWE-20 |
| Added |
CWE |
|
CWE-399 |
| Changed |
Reference Type |
https://github.com/apache/httpd/commit/29c63b786ae028d82405421585e91283c8fa0da3 No Types Assigned |
https://github.com/apache/httpd/commit/29c63b786ae028d82405421585e91283c8fa0da3 Third Party Advisory, Issue Tracking, Patch |
Quick Info
CVE Dictionary Entry:
CVE-2016-8740
NVD Published Date:
12/05/2016
NVD Last Modified:
04/24/2018
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