#VU8714 Insecure DLL loading in Cisco Meeting App


Published: 2017-10-05

Vulnerability identifier: #VU8714

Vulnerability risk: Low

CVSSv3.1: 7.7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-12266

CWE-ID: CWE-427

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Cisco Meeting App
Client/Desktop applications / Office applications

Vendor: Cisco Systems, Inc

Description
The vulnerability allows a local attacker to gain elevated privileges on the target system.

The weakness exists in the routine that loads DLL files in Cisco Meeting App for Windows due to incomplete input validation of the path name for DLL files. A local attacker can place a specially crafted DLL file in a specific system directory and execute commands on the underlying Microsoft Windows host with elevated privileges.

Successful exploitation of the vulnerability may result in system compromise.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Cisco Meeting App: All versions


External links
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171004-cma


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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


Latest bulletins with this vulnerability