F5F5:K32071141K32071141 : Apache mod_http2 vulnerability CVE-2016-8740
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.3 High
AI Score
Confidence
High
5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
0.027 Low
EPSS
Percentile
89.4%
Security Advisory 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. (CVE-2016-8740)
Impact
There is no impact; F5 products are not affected by this vulnerability.
| CPE | Name | Operator | Version |
|---|---|---|---|
| big-ip afm | eq | 11.4.0 | |
| big-ip afm | eq | 11.4.1 | |
| big-ip afm | eq | 11.5.0 | |
| big-ip afm | eq | 11.5.1 | |
| big-ip afm | eq | 11.5.2 | |
| big-ip afm | eq | 11.5.3 | |
| big-ip afm | eq | 11.5.4 | |
| big-ip afm | eq | 11.6.0 | |
| big-ip afm | eq | 11.6.1 | |
| big-ip afm | eq | 12.0.0 |
Related
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.3 High
AI Score
Confidence
High
5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
0.027 Low
EPSS
Percentile
89.4%