CVE-2017-16931
Libxml2 XML External Entity (XXE) Injection Vulnerability
Description
parser.c in libxml2 before 2.9.5 mishandles parameter-entity references because the NEXTL macro calls the xmlParserHandlePEReference function in the case of a '%' character in a DTD name.
INFO
Published Date :
Nov. 23, 2017, 9:29 p.m.
Last Modified :
July 20, 2021, 11:15 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.9
Exploitability Score :
3.9
Public PoC/Exploit Available at Github
CVE-2017-16931 has a 1 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-2017-16931.
| URL | Resource |
|---|---|
| http://xmlsoft.org/news.html | Release Notes Vendor Advisory |
| https://bugzilla.gnome.org/show_bug.cgi?id=766956 | Permissions Required |
| https://github.com/GNOME/libxml2/commit/e26630548e7d138d2c560844c43820b6767251e3 | Patch Third Party Advisory |
| https://lists.debian.org/debian-lts-announce/2017/11/msg00041.html | |
| https://www.oracle.com//security-alerts/cpujul2021.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).
Map Vulnerabilities into Different Layers of the Container Image
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-2017-16931 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2017-16931 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]
Jul. 20, 2021
Action Type Old Value New Value Added Reference https://www.oracle.com//security-alerts/cpujul2021.html [No Types Assigned] -
CVE Modified by [email protected]
Feb. 04, 2018
Action Type Old Value New Value Added Reference https://lists.debian.org/debian-lts-announce/2017/11/msg00041.html [No Types Assigned] -
Initial Analysis by [email protected]
Dec. 06, 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 https://bugzilla.gnome.org/show_bug.cgi?id=766956 No Types Assigned https://bugzilla.gnome.org/show_bug.cgi?id=766956 Permissions Required Changed Reference Type https://github.com/GNOME/libxml2/commit/e26630548e7d138d2c560844c43820b6767251e3 No Types Assigned https://github.com/GNOME/libxml2/commit/e26630548e7d138d2c560844c43820b6767251e3 Patch, Third Party Advisory Changed Reference Type http://xmlsoft.org/news.html No Types Assigned http://xmlsoft.org/news.html Release Notes, Vendor Advisory Added CWE CWE-119 Added CPE Configuration OR *cpe:2.3:a:xmlsoft:libxml2:*:*:*:*:*:*:*:* versions up to (including) 2.9.4
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2017-16931 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-2017-16931
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.60 }} -0.25%
score
0.75251
percentile