CVE-2016-6817
Apache Tomcat HTTP/2 Header Parser Infinite Loop DoS Vulnerability
Description
The HTTP/2 header parser in Apache Tomcat 9.0.0.M1 to 9.0.0.M11 and 8.5.0 to 8.5.6 entered an infinite loop if a header was received that was larger than the available buffer. This made a denial of service attack possible.
INFO
Published Date :
Aug. 10, 2017, 10:29 p.m.
Last Modified :
Dec. 8, 2023, 4:41 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
3.9
Public PoC/Exploit Available at Github
CVE-2016-6817 has a 4 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2016-6817.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
None
Python
None
Python
Cyber Securiy MOOC Unsecure project
Java HTML
Tools that utilize the Red Hat Security Data API
Python
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2016-6817 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2016-6817 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Nov. 07, 2023
Action Type Old Value New Value Added Reference Apache Software Foundation https://lists.apache.org/thread.html/a9f24571460af003071475b75f18cad81ebcc36fa7c876965a75e32a%40%3Cannounce.tomcat.apache.org%3E [No types assigned] Added Reference Apache Software Foundation https://lists.apache.org/thread.html/343558d982879bf88ec20dbf707f8c11255f8e219e81d45c4f8d0551%40%3Cdev.tomcat.apache.org%3E [No types assigned] Added Reference Apache Software Foundation https://lists.apache.org/thread.html/b5e3f51d28cd5d9b1809f56594f2cf63dcd6a90429e16ea9f83bbedc%40%3Cdev.tomcat.apache.org%3E [No types assigned] Added Reference Apache Software Foundation https://lists.apache.org/thread.html/88855876c33f2f9c532ffb75bfee570ccf0b17ffa77493745af9a17a%40%3Cdev.tomcat.apache.org%3E [No types assigned] Added Reference Apache Software Foundation https://lists.apache.org/thread.html/6af47120905aa7d8fe12f42e8ff2284fb338ba141d3b77b8c7cb61b3%40%3Cdev.tomcat.apache.org%3E [No types assigned] Removed Reference Apache Software Foundation https://lists.apache.org/thread.html/a9f24571460af003071475b75f18cad81ebcc36fa7c876965a75e32a@%3Cannounce.tomcat.apache.org%3E Removed Reference Apache Software Foundation https://lists.apache.org/thread.html/343558d982879bf88ec20dbf707f8c11255f8e219e81d45c4f8d0551@%3Cdev.tomcat.apache.org%3E Removed Reference Apache Software Foundation https://lists.apache.org/thread.html/b5e3f51d28cd5d9b1809f56594f2cf63dcd6a90429e16ea9f83bbedc@%3Cdev.tomcat.apache.org%3E Removed Reference Apache Software Foundation https://lists.apache.org/thread.html/88855876c33f2f9c532ffb75bfee570ccf0b17ffa77493745af9a17a@%3Cdev.tomcat.apache.org%3E Removed Reference Apache Software Foundation https://lists.apache.org/thread.html/6af47120905aa7d8fe12f42e8ff2284fb338ba141d3b77b8c7cb61b3@%3Cdev.tomcat.apache.org%3E -
CVE Modified by [email protected]
Apr. 15, 2019
Action Type Old Value New Value Added Reference https://lists.apache.org/thread.html/6af47120905aa7d8fe12f42e8ff2284fb338ba141d3b77b8c7cb61b3@%3Cdev.tomcat.apache.org%3E [No Types Assigned] -
CVE Modified by [email protected]
Apr. 15, 2019
Action Type Old Value New Value Added Reference https://lists.apache.org/thread.html/88855876c33f2f9c532ffb75bfee570ccf0b17ffa77493745af9a17a@%3Cdev.tomcat.apache.org%3E [No Types Assigned] -
CVE Modified by [email protected]
Mar. 25, 2019
Action Type Old Value New Value Added Reference https://lists.apache.org/thread.html/b5e3f51d28cd5d9b1809f56594f2cf63dcd6a90429e16ea9f83bbedc@%3Cdev.tomcat.apache.org%3E [No Types Assigned] -
CVE Modified by [email protected]
Mar. 21, 2019
Action Type Old Value New Value Added Reference https://lists.apache.org/thread.html/343558d982879bf88ec20dbf707f8c11255f8e219e81d45c4f8d0551@%3Cdev.tomcat.apache.org%3E [No Types Assigned] -
CVE Modified by [email protected]
Jun. 09, 2018
Action Type Old Value New Value Added Reference https://security.netapp.com/advisory/ntap-20180607-0001/ [No Types Assigned] -
Initial Analysis by [email protected]
Aug. 24, 2017
Action Type Old Value New Value 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 Changed Reference Type http://www.securityfocus.com/bid/94462 No Types Assigned http://www.securityfocus.com/bid/94462 Third Party Advisory, VDB Entry Changed Reference Type http://www.securitytracker.com/id/1037330 No Types Assigned http://www.securitytracker.com/id/1037330 Third Party Advisory, VDB Entry Changed Reference Type https://lists.apache.org/thread.html/a9f24571460af003071475b75f18cad81ebcc36fa7c876965a75e32a@%3Cannounce.tomcat.apache.org%3E No Types Assigned https://lists.apache.org/thread.html/a9f24571460af003071475b75f18cad81ebcc36fa7c876965a75e32a@%3Cannounce.tomcat.apache.org%3E Vendor Advisory Added CWE CWE-119 Added CPE Configuration OR *cpe:2.3:a:apache:tomcat:8.5.0:*:*:*:*:*:*:* *cpe:2.3:a:apache:tomcat:8.5.1:*:*:*:*:*:*:* *cpe:2.3:a:apache:tomcat:8.5.2:*:*:*:*:*:*:* *cpe:2.3:a:apache:tomcat:8.5.3:*:*:*:*:*:*:* *cpe:2.3:a:apache:tomcat:8.5.4:*:*:*:*:*:*:* *cpe:2.3:a:apache:tomcat:8.5.5:*:*:*:*:*:*:* *cpe:2.3:a:apache:tomcat:8.5.6:*:*:*:*:*:*:* *cpe:2.3:a:apache:tomcat:9.0.0:m1:*:*:*:*:*:* *cpe:2.3:a:apache:tomcat:9.0.0:m10:*:*:*:*:*:* *cpe:2.3:a:apache:tomcat:9.0.0:m11:*:*:*:*:*:* *cpe:2.3:a:apache:tomcat:9.0.0:m2:*:*:*:*:*:* *cpe:2.3:a:apache:tomcat:9.0.0:m3:*:*:*:*:*:* *cpe:2.3:a:apache:tomcat:9.0.0:m4:*:*:*:*:*:* *cpe:2.3:a:apache:tomcat:9.0.0:m5:*:*:*:*:*:* *cpe:2.3:a:apache:tomcat:9.0.0:m6:*:*:*:*:*:* *cpe:2.3:a:apache:tomcat:9.0.0:m7:*:*:*:*:*:* *cpe:2.3:a:apache:tomcat:9.0.0:m8:*:*:*:*:*:* *cpe:2.3:a:apache:tomcat:9.0.0:m9:*:*:*:*:*:* -
CVE Modified by [email protected]
Aug. 12, 2017
Action Type Old Value New Value Added Reference http://www.securitytracker.com/id/1037330 [No Types Assigned] Added Reference http://www.securityfocus.com/bid/94462 [No Types Assigned]
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2016-6817 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2016-6817
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
2.53 }} 0.73%
score
0.90372
percentile