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Cisco Security Advisory: Cisco Application-Hosting Framework Arbitrary File Creation Vulnerability
Advisory ID: cisco-sa-20170322-caf2
Revision: 1.0
For Public Release: 2017 March 22 16:00 GMT
Last Updated: 2017 March 22 16:00 GMT
CVE ID(s): CVE-2017-3852
CVSS Score v(3): 8.1 CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
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Summary
=======
A vulnerability in the Cisco application-hosting framework (CAF) component of the Cisco IOx application environment could allow an authenticated, remote attacker to write or modify arbitrary files in the virtual instance running on the affected device.
The vulnerability is due to insufficient input validation of user-supplied application packages. An attacker who can upload a malicious package within Cisco IOx could exploit the vulnerability to modify arbitrary files. The impacts of a successful exploit are limited to the scope of the virtual instance and do not impact the router that is hosting Cisco IOx.
Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.
This advisory is available at the following link:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170322-caf2 [“https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170322-caf2”]
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