CVE-2016-8734
Apache Subversion mod_dontdothat XML Entity Expansion Denial-of-Service
Description
Apache Subversion's mod_dontdothat module and HTTP clients 1.4.0 through 1.8.16, and 1.9.0 through 1.9.4 are vulnerable to a denial-of-service attack caused by exponential XML entity expansion. The attack can cause the targeted process to consume an excessive amount of CPU resources or memory.
INFO
Published Date :
Oct. 16, 2017, 1:29 p.m.
Last Modified :
Nov. 7, 2023, 2:36 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
2.8
Public PoC/Exploit Available at Github
CVE-2016-8734 has a 3 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-2016-8734.
| URL | Resource |
|---|---|
| http://www.debian.org/security/2017/dsa-3932 | Third Party Advisory |
| http://www.securityfocus.com/bid/94588 | Third Party Advisory VDB Entry |
| http://www.securitytracker.com/id/1037361 | Third Party Advisory VDB Entry |
| https://lists.apache.org/thread.html/7798f5cda1b2a3c70db4be77694b12dec8fcc1a441b00009d44f0e09%40%3Cannounce.apache.org%3E | |
| https://subversion.apache.org/security/CVE-2016-8734-advisory.txt | Issue Tracking Vendor Advisory |
| https://www.oracle.com/security-alerts/cpuoct2020.html |
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
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-2016-8734 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2016-8734 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/7798f5cda1b2a3c70db4be77694b12dec8fcc1a441b00009d44f0e09%40%3Cannounce.apache.org%3E [No types assigned] Removed Reference Apache Software Foundation https://lists.apache.org/thread.html/7798f5cda1b2a3c70db4be77694b12dec8fcc1a441b00009d44f0e09@%3Cannounce.apache.org%3E -
CVE Modified by [email protected]
Oct. 20, 2020
Action Type Old Value New Value Added Reference https://www.oracle.com/security-alerts/cpuoct2020.html [No Types Assigned] -
Modified Analysis by [email protected]
Feb. 25, 2019
Action Type Old Value New Value Changed Reference Type http://www.debian.org/security/2017/dsa-3932 Broken Link http://www.debian.org/security/2017/dsa-3932 Third Party Advisory Changed Reference Type https://lists.apache.org/thread.html/7798f5cda1b2a3c70db4be77694b12dec8fcc1a441b00009d44f0e09@%3Cannounce.apache.org%3E Vendor Advisory https://lists.apache.org/thread.html/7798f5cda1b2a3c70db4be77694b12dec8fcc1a441b00009d44f0e09@%3Cannounce.apache.org%3E Mailing List, Vendor Advisory Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Feb. 20, 2019
Action Type Old Value New Value Changed Description Subversion's mod_dontdothat module and HTTP clients 1.4.0 through 1.8.16, and 1.9.0 through 1.9.4 are vulnerable to a denial-of-service attack caused by exponential XML entity expansion. The attack can cause the targeted process to consume an excessive amount of CPU resources or memory. Apache Subversion's mod_dontdothat module and HTTP clients 1.4.0 through 1.8.16, and 1.9.0 through 1.9.4 are vulnerable to a denial-of-service attack caused by exponential XML entity expansion. The attack can cause the targeted process to consume an excessive amount of CPU resources or memory. -
Initial Analysis by [email protected]
Nov. 07, 2017
Action Type Old Value New Value Added CVSS V2 (AV:N/AC:L/Au:S/C:N/I:N/A:P) Added CVSS V3 AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Changed Reference Type http://www.securityfocus.com/bid/94588 No Types Assigned http://www.securityfocus.com/bid/94588 Third Party Advisory, VDB Entry Changed Reference Type http://www.debian.org/security/2017/dsa-3932 No Types Assigned http://www.debian.org/security/2017/dsa-3932 Broken Link Changed Reference Type http://www.securitytracker.com/id/1037361 No Types Assigned http://www.securitytracker.com/id/1037361 Third Party Advisory, VDB Entry Changed Reference Type https://subversion.apache.org/security/CVE-2016-8734-advisory.txt No Types Assigned https://subversion.apache.org/security/CVE-2016-8734-advisory.txt Issue Tracking, Vendor Advisory Changed Reference Type https://lists.apache.org/thread.html/7798f5cda1b2a3c70db4be77694b12dec8fcc1a441b00009d44f0e09@%3Cannounce.apache.org%3E No Types Assigned https://lists.apache.org/thread.html/7798f5cda1b2a3c70db4be77694b12dec8fcc1a441b00009d44f0e09@%3Cannounce.apache.org%3E Vendor Advisory Added CWE CWE-400 Added CPE Configuration OR *cpe:2.3:a:apache:subversion:1.4.0:*:*:*:*:*:*:* *cpe:2.3:a:apache:subversion:1.4.1:*:*:*:*:*:*:* *cpe:2.3:a:apache:subversion:1.4.2:*:*:*:*:*:*:* *cpe:2.3:a:apache:subversion:1.4.3:*:*:*:*:*:*:* *cpe:2.3:a:apache:subversion:1.4.4:*:*:*:*:*:*:* *cpe:2.3:a:apache:subversion:1.4.5:*:*:*:*:*:*:* *cpe:2.3:a:apache:subversion:1.4.6:*:*:*:*:*:*:* *cpe:2.3:a:apache:subversion:1.5.0:*:*:*:*:*:*:* *cpe:2.3:a:apache:subversion:1.5.1:*:*:*:*:*:*:* *cpe:2.3:a:apache:subversion:1.5.2:*:*:*:*:*:*:* *cpe:2.3:a:apache:subversion:1.5.3:*:*:*:*:*:*:* *cpe:2.3:a:apache:subversion:1.5.4:*:*:*:*:*:*:* *cpe:2.3:a:apache:subversion:1.5.5:*:*:*:*:*:*:* *cpe:2.3:a:apache:subversion:1.5.6:*:*:*:*:*:*:* *cpe:2.3:a:apache:subversion:1.5.7:*:*:*:*:*:*:* *cpe:2.3:a:apache:subversion:1.5.8:*:*:*:*:*:*:* *cpe:2.3:a:apache:subversion:1.6.0:*:*:*:*:*:*:* *cpe:2.3:a:apache:subversion:1.6.1:*:*:*:*:*:*:* *cpe:2.3:a:apache:subversion:1.6.2:*:*:*:*:*:*:* *cpe:2.3:a:apache:subversion:1.6.3:*:*:*:*:*:*:* *cpe:2.3:a:apache:subversion:1.6.4:*:*:*:*:*:*:* *cpe:2.3:a:apache:subversion:1.6.5:*:*:*:*:*:*:* *cpe:2.3:a:apache:subversion:1.6.6:*:*:*:*:*:*:* *cpe:2.3:a:apache:subversion:1.6.7:*:*:*:*:*:*:* *cpe:2.3:a:apache:subversion:1.6.8:*:*:*:*:*:*:* *cpe:2.3:a:apache:subversion:1.6.9:*:*:*:*:*:*:* *cpe:2.3:a:apache:subversion:1.6.10:*:*:*:*:*:*:* *cpe:2.3:a:apache:subversion:1.6.11:*:*:*:*:*:*:* *cpe:2.3:a:apache:subversion:1.6.12:*:*:*:*:*:*:* *cpe:2.3:a:apache:subversion:1.6.13:*:*:*:*:*:*:* *cpe:2.3:a:apache:subversion:1.6.14:*:*:*:*:*:*:* *cpe:2.3:a:apache:subversion:1.6.15:*:*:*:*:*:*:* *cpe:2.3:a:apache:subversion:1.6.16:*:*:*:*:*:*:* *cpe:2.3:a:apache:subversion:1.6.17:*:*:*:*:*:*:* *cpe:2.3:a:apache:subversion:1.6.18:*:*:*:*:*:*:* *cpe:2.3:a:apache:subversion:1.6.19:*:*:*:*:*:*:* *cpe:2.3:a:apache:subversion:1.6.20:*:*:*:*:*:*:* *cpe:2.3:a:apache:subversion:1.6.21:*:*:*:*:*:*:* *cpe:2.3:a:apache:subversion:1.6.23:*:*:*:*:*:*:* *cpe:2.3:a:apache:subversion:1.7.0:*:*:*:*:*:*:* *cpe:2.3:a:apache:subversion:1.7.1:*:*:*:*:*:*:* *cpe:2.3:a:apache:subversion:1.7.2:*:*:*:*:*:*:* *cpe:2.3:a:apache:subversion:1.7.3:*:*:*:*:*:*:* *cpe:2.3:a:apache:subversion:1.7.4:*:*:*:*:*:*:* *cpe:2.3:a:apache:subversion:1.7.5:*:*:*:*:*:*:* *cpe:2.3:a:apache:subversion:1.7.6:*:*:*:*:*:*:* *cpe:2.3:a:apache:subversion:1.7.7:*:*:*:*:*:*:* *cpe:2.3:a:apache:subversion:1.7.8:*:*:*:*:*:*:* *cpe:2.3:a:apache:subversion:1.7.9:*:*:*:*:*:*:* *cpe:2.3:a:apache:subversion:1.7.10:*:*:*:*:*:*:* *cpe:2.3:a:apache:subversion:1.7.11:*:*:*:*:*:*:* *cpe:2.3:a:apache:subversion:1.7.12:*:*:*:*:*:*:* *cpe:2.3:a:apache:subversion:1.7.13:*:*:*:*:*:*:* *cpe:2.3:a:apache:subversion:1.7.14:*:*:*:*:*:*:* *cpe:2.3:a:apache:subversion:1.7.15:*:*:*:*:*:*:* *cpe:2.3:a:apache:subversion:1.7.16:*:*:*:*:*:*:* *cpe:2.3:a:apache:subversion:1.7.17:*:*:*:*:*:*:* *cpe:2.3:a:apache:subversion:1.7.18:*:*:*:*:*:*:* *cpe:2.3:a:apache:subversion:1.7.19:*:*:*:*:*:*:* *cpe:2.3:a:apache:subversion:1.7.20:*:*:*:*:*:*:* *cpe:2.3:a:apache:subversion:1.8.0:*:*:*:*:*:*:* *cpe:2.3:a:apache:subversion:1.8.1:*:*:*:*:*:*:* *cpe:2.3:a:apache:subversion:1.8.2:*:*:*:*:*:*:* *cpe:2.3:a:apache:subversion:1.8.3:*:*:*:*:*:*:* *cpe:2.3:a:apache:subversion:1.8.4:*:*:*:*:*:*:* *cpe:2.3:a:apache:subversion:1.8.5:*:*:*:*:*:*:* *cpe:2.3:a:apache:subversion:1.8.6:*:*:*:*:*:*:* *cpe:2.3:a:apache:subversion:1.8.7:*:*:*:*:*:*:* *cpe:2.3:a:apache:subversion:1.8.8:*:*:*:*:*:*:* *cpe:2.3:a:apache:subversion:1.8.9:*:*:*:*:*:*:* *cpe:2.3:a:apache:subversion:1.8.10:*:*:*:*:*:*:* *cpe:2.3:a:apache:subversion:1.8.11:*:*:*:*:*:*:* *cpe:2.3:a:apache:subversion:1.8.12:*:*:*:*:*:*:* *cpe:2.3:a:apache:subversion:1.8.13:*:*:*:*:*:*:* *cpe:2.3:a:apache:subversion:1.8.14:*:*:*:*:*:*:* *cpe:2.3:a:apache:subversion:1.8.15:*:*:*:*:*:*:* *cpe:2.3:a:apache:subversion:1.8.16:*:*:*:*:*:*:* *cpe:2.3:a:apache:subversion:1.9.0:*:*:*:*:*:*:* *cpe:2.3:a:apache:subversion:1.9.1:*:*:*:*:*:*:* *cpe:2.3:a:apache:subversion:1.9.2:*:*:*:*:*:*:* *cpe:2.3:a:apache:subversion:1.9.3:*:*:*:*:*:*:* *cpe:2.3:a:apache:subversion:1.9.4:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Nov. 05, 2017
Action Type Old Value New Value Added Reference http://www.debian.org/security/2017/dsa-3932 [No Types Assigned] -
CVE Modified by [email protected]
Oct. 18, 2017
Action Type Old Value New Value Added Reference http://www.securitytracker.com/id/1037361 [No Types Assigned] Added Reference http://www.securityfocus.com/bid/94588 [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-2016-8734 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-2016-8734
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.38 }} -0.07%
score
0.69994
percentile