Medium severity · published Dec 15, 2016
CVE-2016-4047
An issue was discovered in Open-Xchange OX App Suite before 7.8.1-rev8
4.3
CVSS
0.8%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.8% · higher than 57% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
OA
Open-xchange Appsuite · Open-xchange
through 7.8.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2016-4047
CVE.org
https://www.cve.org/CVERecord?id=CVE-2016-4047
www.securityfocus.com
http://www.securityfocus.com/archive/1/538732/100/0/threaded
Third Party Advisory
http://www.securitytracker.com/id/1036157
More from Open-xchange Appsuite
9.9
CVE-2017-13667
OX Software GmbH OX App Suite 7.8.4 and earlier is affected by: SSRF
9.8
CVE-2020-12645
OX App Suite 7.10.1 to 7.10.3 has improper input validation for rate limits with a crafted User-Agent header, spoofed vacation notices, and /apps/load memory consumption
9.8
CVE-2019-7158
OX App Suite 7.10.0 and earlier has Incorrect Access Control
9.8
CVE-2017-5212
Open-Xchange GmbH OX App Suite 7.8.3 is affected by: Incorrect Access Control
9.8
CVE-2017-5210
Open-Xchange GmbH OX App Suite 7.8.3 and earlier is affected by: Information Exposure