SB2022120848 - Remote code execution in Cisco IP Phone 7800 and 8800 Series
Published: December 8, 2022
Security Bulletin ID
SB2022120848
Severity
Medium
Patch available
NO
Number of vulnerabilities
1
Exploitation vector
Adjecent network
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Stack-based buffer overflow (CVE-ID: CVE-2022-20968)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error when processing Cisco Discovery Protocol packets. A remote attacker on the local network can send specially crafted packets to the affected device, trigger a stack-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Remediation
Cybersecurity Help is not aware of any official remediation provided by the vendor.