SB2021082302 - Denial of service in Cisco Video Surveillance 7000 Series IP Cameras
Published: August 23, 2021
Security Bulletin ID
SB2021082302
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Adjecent network
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Double Free (CVE-ID: CVE-2021-34734)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error in the Link Layer Discovery Protocol (LLDP) implementation. A remote attacker on the local network can pass specially crafted data to the application, trigger double free error and cause a denial of service condition on the target system.
Remediation
Install update from vendor's website.