Vulnerability Details : CVE-2016-4047
An issue was discovered in Open-Xchange OX App Suite before 7.8.1-rev8. References to external Open XML document type definitions (.dtd resources) can be placed within .docx and .xslx files. Those resources were requested when parsing certain parts of the generated document. As a result an attacker can track access to a manipulated document. Usage of a document may get tracked and information about internal infrastructure may get exposed.
Vulnerability category: XML external entity (XXE) injectionInformation leak
Products affected by CVE-2016-4047
- cpe:2.3:a:open-xchange:open-xchange_appsuite:*:rev7:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2016-4047
0.05%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 19 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2016-4047
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.0
|
MEDIUM | AV:N/AC:L/Au:S/C:P/I:N/A:N |
8.0
|
2.9
|
NIST | |
|
4.3
|
MEDIUM | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N |
2.8
|
1.4
|
NIST |
CWE ids for CVE-2016-4047
-
The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.Assigned by: nvd@nist.gov (Primary)
-
The product processes an XML document that can contain XML entities with URIs that resolve to documents outside of the intended sphere of control, causing the product to embed incorrect documents into its output.Assigned by: nvd@nist.gov (Primary)
References for CVE-2016-4047
-
http://www.securitytracker.com/id/1036157
Open-Xchange App Suite Multiple Bugs Let Remote Users Obtain Potentially Sensitive Information, Conduct Cross-Site Scripting and Server-Side Request Forgery Attacks, Spoof Content, and Deny Service -Third Party Advisory;VDB Entry
-
http://www.securityfocus.com/archive/1/538732/100/0/threaded
SecurityFocus
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