Privilege escalation in Cisco 6800 Series IP Phones - CVE-2017-12305

 

Privilege escalation in Cisco 6800 Series IP Phones - CVE-2017-12305

Published: November 21, 2017


Vulnerability identifier: #VU9386
CSH Severity: Low
CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2017-12305
CWE-ID: CWE-20
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

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

The weakness exists in the debug interface of Cisco IP Phone 8800 series due to insufficient input validation. A local attacker can submit additional command input to the affected parameter in the debug shell and execute arbitrary code with elevated privileges.

Affected software

Cisco 6800 Series IP Phones

How to mitigate CVE-2017-12305

Install update from vendor's website.


External References

Related Security Bulletins