SB2017112114 - Privilege escalation in Cisco IP Phone 8800 Series
Published: November 21, 2017
Security Bulletin ID
SB2017112114
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Privilege escalation (CVE-ID: CVE-2017-12305)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: 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/E:U/U:Clear
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.
Remediation
Install update from vendor's website.