CVE-2015-2942
MediaWiki HHVM Entity Injection Denial of Service
Description
MediaWiki before 1.19.24, 1.2x before 1.23.9, and 1.24.x before 1.24.2, when using HHVM, allows remote attackers to cause a denial of service (CPU and memory consumption) via a large number of nested entity references in an (1) SVG file or (2) XMP metadata in a PDF file, aka a "billion laughs attack," a different vulnerability than CVE-2015-2937.
INFO
Published Date :
April 13, 2015, 2:59 p.m.
Last Modified :
Dec. 7, 2016, 6:11 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
6.9
Exploitability Score :
8.6
Public PoC/Exploit Available at Github
CVE-2015-2942 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-2015-2942.
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).
CVEs and Techniques used PDF as an attack vector.
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2015-2942 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2015-2942 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.
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CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Dec. 07, 2016
Action Type Old Value New Value Added Reference https://security.gentoo.org/glsa/201510-05 [No Types Assigned] -
CVE Modified by [email protected]
Nov. 28, 2016
Action Type Old Value New Value Added Reference http://www.securityfocus.com/bid/73477 [No Types Assigned] -
Modified Analysis by [email protected]
Apr. 14, 2015
Action Type Old Value New Value Added CPE Configuration Configuration 1 OR *cpe:2.3:a:mediawiki:mediawiki:1.19.23:*:*:*:*:*:*:* (and previous) *cpe:2.3:a:mediawiki:mediawiki:1.20:*:*:*:*:*:*:* *cpe:2.3:a:mediawiki:mediawiki:1.20.1:*:*:*:*:*:*:* *cpe:2.3:a:mediawiki:mediawiki:1.20.2:*:*:*:*:*:*:* *cpe:2.3:a:mediawiki:mediawiki:1.20.3:*:*:*:*:*:*:* *cpe:2.3:a:mediawiki:mediawiki:1.20.4:*:*:*:*:*:*:* *cpe:2.3:a:mediawiki:mediawiki:1.20.5:*:*:*:*:*:*:* *cpe:2.3:a:mediawiki:mediawiki:1.20.6:*:*:*:*:*:*:* *cpe:2.3:a:mediawiki:mediawiki:1.20.7:*:*:*:*:*:*:* *cpe:2.3:a:mediawiki:mediawiki:1.20.8:*:*:*:*:*:*:* *cpe:2.3:a:mediawiki:mediawiki:1.21:*:*:*:*:*:*:* *cpe:2.3:a:mediawiki:mediawiki:1.21.1:*:*:*:*:*:*:* *cpe:2.3:a:mediawiki:mediawiki:1.21.2:*:*:*:*:*:*:* *cpe:2.3:a:mediawiki:mediawiki:1.21.3:*:*:*:*:*:*:* *cpe:2.3:a:mediawiki:mediawiki:1.21.4:*:*:*:*:*:*:* *cpe:2.3:a:mediawiki:mediawiki:1.21.5:*:*:*:*:*:*:* *cpe:2.3:a:mediawiki:mediawiki:1.21.6:*:*:*:*:*:*:* *cpe:2.3:a:mediawiki:mediawiki:1.21.7:*:*:*:*:*:*:* *cpe:2.3:a:mediawiki:mediawiki:1.21.8:*:*:*:*:*:*:* *cpe:2.3:a:mediawiki:mediawiki:1.21.9:*:*:*:*:*:*:* *cpe:2.3:a:mediawiki:mediawiki:1.21.10:*:*:*:*:*:*:* *cpe:2.3:a:mediawiki:mediawiki:1.21.11:*:*:*:*:*:*:* *cpe:2.3:a:mediawiki:mediawiki:1.22.0:*:*:*:*:*:*:* *cpe:2.3:a:mediawiki:mediawiki:1.22.1:*:*:*:*:*:*:* *cpe:2.3:a:mediawiki:mediawiki:1.22.2:*:*:*:*:*:*:* *cpe:2.3:a:mediawiki:mediawiki:1.22.3:*:*:*:*:*:*:* *cpe:2.3:a:mediawiki:mediawiki:1.22.4:*:*:*:*:*:*:* *cpe:2.3:a:mediawiki:mediawiki:1.22.5:*:*:*:*:*:*:* *cpe:2.3:a:mediawiki:mediawiki:1.22.6:*:*:*:*:*:*:* *cpe:2.3:a:mediawiki:mediawiki:1.22.7:*:*:*:*:*:*:* *cpe:2.3:a:mediawiki:mediawiki:1.22.8:*:*:*:*:*:*:* *cpe:2.3:a:mediawiki:mediawiki:1.22.9:*:*:*:*:*:*:* *cpe:2.3:a:mediawiki:mediawiki:1.22.10:*:*:*:*:*:*:* *cpe:2.3:a:mediawiki:mediawiki:1.22.11:*:*:*:*:*:*:* *cpe:2.3:a:mediawiki:mediawiki:1.22.12:*:*:*:*:*:*:* *cpe:2.3:a:mediawiki:mediawiki:1.22.13:*:*:*:*:*:*:* *cpe:2.3:a:mediawiki:mediawiki:1.22.14:*:*:*:*:*:*:* *cpe:2.3:a:mediawiki:mediawiki:1.22.15:*:*:*:*:*:*:* *cpe:2.3:a:mediawiki:mediawiki:1.23.0:*:*:*:*:*:*:* *cpe:2.3:a:mediawiki:mediawiki:1.23.1:*:*:*:*:*:*:* *cpe:2.3:a:mediawiki:mediawiki:1.23.2:*:*:*:*:*:*:* *cpe:2.3:a:mediawiki:mediawiki:1.23.3:*:*:*:*:*:*:* *cpe:2.3:a:mediawiki:mediawiki:1.23.4:*:*:*:*:*:*:* *cpe:2.3:a:mediawiki:mediawiki:1.23.5:*:*:*:*:*:*:* *cpe:2.3:a:mediawiki:mediawiki:1.23.6:*:*:*:*:*:*:* *cpe:2.3:a:mediawiki:mediawiki:1.23.7:*:*:*:*:*:*:* *cpe:2.3:a:mediawiki:mediawiki:1.23.8:*:*:*:*:*:*:* *cpe:2.3:a:mediawiki:mediawiki:1.24.0:*:*:*:*:*:*:* *cpe:2.3:a:mediawiki:mediawiki:1.24.1:*:*:*:*:*:*:* Added CVSS V2 (AV:N/AC:M/Au:N/C:N/I:N/A:C) Changed Reference Type https://phabricator.wikimedia.org/T85848 No Types Assigned https://phabricator.wikimedia.org/T85848 Exploit Changed Reference Type https://lists.wikimedia.org/pipermail/mediawiki-announce/2015-March/000175.html No Types Assigned https://lists.wikimedia.org/pipermail/mediawiki-announce/2015-March/000175.html Advisory, Patch Added CWE CWE-399 -
Initial Analysis by [email protected]
Apr. 14, 2015
Action Type Old Value New Value
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2015-2942 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-2015-2942
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
3.03 }} -0.23%
score
0.91130
percentile