CVE-2017-12621
Apache Commons Jelly XXE Entity Expansion
Description
During Jelly (xml) file parsing with Apache Xerces, if a custom doctype entity is declared with a "SYSTEM" entity with a URL and that entity is used in the body of the Jelly file, during parser instantiation the parser will attempt to connect to said URL. This could lead to XML External Entity (XXE) attacks in Apache Commons Jelly before 1.0.1.
INFO
Published Date :
Sept. 28, 2017, 1:29 a.m.
Last Modified :
Nov. 7, 2023, 2:38 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.9
Exploitability Score :
3.9
Public PoC/Exploit Available at Github
CVE-2017-12621 has a 2 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-2017-12621.
| URL | Resource |
|---|---|
| http://www.securityfocus.com/bid/101052 | Third Party Advisory VDB Entry |
| http://www.securitytracker.com/id/1039444 | Third Party Advisory VDB Entry |
| https://issues.apache.org/jira/browse/JELLY-293 | Issue Tracking Vendor Advisory Patch |
| https://lists.apache.org/thread.html/f1fc3f2c45264af44ce782d54b5908ac95f02bf7ad88bb57bfb04b73%40%3Cdev.commons.apache.org%3E |
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).
Talk to DC Apache Roadshow March 2019
JavaScript CSS HTML
Getting started with open source contributions slides.
JavaScript CSS HTML
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2017-12621 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2017-12621 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/f1fc3f2c45264af44ce782d54b5908ac95f02bf7ad88bb57bfb04b73%40%3Cdev.commons.apache.org%3E [No types assigned] Removed Reference Apache Software Foundation https://lists.apache.org/thread.html/f1fc3f2c45264af44ce782d54b5908ac95f02bf7ad88bb57bfb04b73@%3Cdev.commons.apache.org%3E -
Reanalysis by [email protected]
Feb. 09, 2023
Action Type Old Value New Value Removed CVSS V3 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Changed CPE Configuration OR *cpe:2.3:a:apache:commons-jelly:*:rc6:*:*:*:*:*:* versions up to (including) 1.0.1 OR *cpe:2.3:a:apache:commons_jelly:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.1 -
Initial Analysis by [email protected]
Oct. 10, 2017
Action Type Old Value New Value Added CVSS V2 (AV:N/AC:L/Au:N/C:P/I:P/A:P) Added CVSS V3 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Changed Reference Type http://www.securityfocus.com/bid/101052 No Types Assigned http://www.securityfocus.com/bid/101052 Third Party Advisory, VDB Entry Changed Reference Type http://www.securitytracker.com/id/1039444 No Types Assigned http://www.securitytracker.com/id/1039444 Third Party Advisory, VDB Entry Changed Reference Type https://issues.apache.org/jira/browse/JELLY-293 No Types Assigned https://issues.apache.org/jira/browse/JELLY-293 Issue Tracking, Patch, Vendor Advisory Changed Reference Type https://lists.apache.org/thread.html/f1fc3f2c45264af44ce782d54b5908ac95f02bf7ad88bb57bfb04b73@%3Cdev.commons.apache.org%3E No Types Assigned https://lists.apache.org/thread.html/f1fc3f2c45264af44ce782d54b5908ac95f02bf7ad88bb57bfb04b73@%3Cdev.commons.apache.org%3E Issue Tracking, Patch, Vendor Advisory Added CWE CWE-611 Added CPE Configuration OR *cpe:2.3:a:apache:commons-jelly:1.0.1:rc6:*:*:*:*:*:* (and previous) -
CVE Modified by [email protected]
Sep. 30, 2017
Action Type Old Value New Value Added Reference http://www.securityfocus.com/bid/101052 [No Types Assigned] -
CVE Modified by [email protected]
Sep. 29, 2017
Action Type Old Value New Value Added Reference http://www.securitytracker.com/id/1039444 [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-2017-12621 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-2017-12621
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.58 }} 0.29%
score
0.75627
percentile