#VU7672 Improper input validation in Cisco Prime Collaboration Provisioning - CVE-2017-6759

Vulnerability identifier: #VU7672

Vulnerability risk: Medium

CVSSv4.0: 5.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:H/SA:N/E:U/U:Green]

CVE-ID: CVE-2017-6759

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Cisco Prime Collaboration Provisioning
Server applications / Other server solutions

Vendor: Cisco Systems, Inc

Description
The vulnerability allows a remote authenticated attacker to write arbitrary files on the system.

The weakness exists in the UpgradeManager of the Cisco Prime Collaboration Provisioning Tool due to insufficient validation of user-supplied input. A remote attacker can trigger the upgrade package installation functionality and write arbitrary files as root on the system.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Cisco Prime Collaboration Provisioning: 12.1

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External links
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170802-pcpt

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.