Plex Media Server 0.9.9.10 clientaccesspolicy.xml cross-site request forgery
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 4.2 | $0-$5k | 0.00 |
Summary
A vulnerability categorized as problematic has been discovered in Plex Media Server 0.9.9.10. The affected element is an unknown function of the file crossdomain.xml/clientaccesspolicy.xml. The manipulation results in cross-site request forgery. It is possible to launch the attack remotely. Furthermore, an exploit is available.
Details
A vulnerability classified as problematic has been found in Plex Media Server 0.9.9.10. Affected is an unknown functionality of the file crossdomain.xml/clientaccesspolicy.xml. The manipulation with an unknown input leads to a cross-site request forgery vulnerability. CWE is classifying the issue as CWE-352. The web application does not, or can not, sufficiently verify whether a well-formed, valid, consistent request was intentionally provided by the user who submitted the request. This is going to have an impact on integrity.
The weakness was published 02/06/2014 by Stefan Viehböck with SEC Consult Vulnerability Lab as SEC Consult Vulnerability Lab Security Advisory 20140411-0 as not defined advisory (Website). The advisory is shared for download at sec-consult.com. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. Technical details and a exploit are known. The advisory points out:
The files crossdomain.xml and clientaccesspolicy.xml in the webroot allow both Silverlight and Flash to send arbitrary requests to the server and receive responses. Some pages respond with the "Access-Control-Allow-Origin: *" headers.
It is declared as highly functional. By approaching the search of inurl:crossdomain.xml/clientaccesspolicy.xml it is possible to find vulnerable targets with Google Hacking.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
The vulnerability is also documented in the databases at X-Force (92768), SecurityFocus (BID 66783†) and Secunia (SA57882†). Similar entries are available at VDB-13137, VDB-13138 and VDB-13139. VulDB is the best source for vulnerability data and more expert information about this specific topic.
Product
Vendor
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 4.3VulDB Meta Temp Score: 4.2
VulDB Base Score: 4.3
VulDB Temp Score: 4.2
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Cross-site request forgeryCWE: CWE-352 / CWE-862 / CWE-863
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Highly functional
Google Hack: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
02/06/2014 🔍02/06/2014 🔍
02/10/2014 🔍
04/25/2014 🔍
05/05/2014 🔍
08/09/2017 🔍
Sources
Advisory: SEC Consult Vulnerability Lab Security Advisory 20140411-0Researcher: Stefan Viehböck
Organization: SEC Consult Vulnerability Lab
Status: Not defined
GCVE (VulDB): GCVE-100-13140
X-Force: 92768 - Plex Media Server crossdomain.xml or clientaccesspolicy.xml cross-site request forgery, Medium Risk
SecurityFocus: 66783
Secunia: 57882 - Plex Media Server Multiple Vulnerabilities, Less Critical
scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍
Entry
Created: 05/05/2014 10:56Updated: 08/09/2017 14:08
Changes: 05/05/2014 10:56 (46), 08/09/2017 14:08 (11)
Complete: 🔍
Cache ID: 216:5B8:103
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