CVE-2018-11796
Apache Tika XML Entity Expansion DOS Vulnerability
Description
In Apache Tika 1.19 (CVE-2018-11761), we added an entity expansion limit for XML parsing. However, Tika reuses SAXParsers and calls reset() after each parse, which, for Xerces2 parsers, as per the documentation, removes the user-specified SecurityManager and thus removes entity expansion limits after the first parse. Apache Tika versions from 0.1 to 1.19 are therefore still vulnerable to entity expansions which can lead to a denial of service attack. Users should upgrade to 1.19.1 or later.
INFO
Published Date :
Oct. 9, 2018, 10:29 p.m.
Last Modified :
Nov. 7, 2023, 2:51 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
3.9
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-2018-11796.
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).
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The following list is the news that have been mention
CVE-2018-11796 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2018-11796 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/88de8350cda9b184888ec294c813c5bd8a2081de8fd3666f8904bc05%40%3Cdev.tika.apache.org%3E [No types assigned] Removed Reference Apache Software Foundation https://lists.apache.org/thread.html/88de8350cda9b184888ec294c813c5bd8a2081de8fd3666f8904bc05@%3Cdev.tika.apache.org%3E -
CVE Modified by [email protected]
Nov. 15, 2019
Action Type Old Value New Value Added Reference https://access.redhat.com/errata/RHSA-2019:3892 [No Types Assigned] -
CVE Modified by [email protected]
Sep. 03, 2019
Action Type Old Value New Value Added Reference https://security.netapp.com/advisory/ntap-20190903-0002/ [No Types Assigned] -
Initial Analysis by [email protected]
Jan. 10, 2019
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 https://lists.apache.org/thread.html/88de8350cda9b184888ec294c813c5bd8a2081de8fd3666f8904bc05@%3Cdev.tika.apache.org%3E No Types Assigned https://lists.apache.org/thread.html/88de8350cda9b184888ec294c813c5bd8a2081de8fd3666f8904bc05@%3Cdev.tika.apache.org%3E Mailing List, Vendor Advisory Changed Reference Type http://www.securityfocus.com/bid/105585 No Types Assigned http://www.securityfocus.com/bid/105585 Third Party Advisory, VDB Entry Added CWE CWE-611 Added CPE Configuration OR *cpe:2.3:a:apache:tika:*:*:*:*:*:*:*:* versions from (including) 0.1 up to (including) 1.19 -
CVE Modified by [email protected]
Oct. 17, 2018
Action Type Old Value New Value Added Reference http://www.securityfocus.com/bid/105585 [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-2018-11796 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-2018-11796
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
1.24 }} -0.47%
score
0.85648
percentile