#VU56027 Double Free in Cisco Video Surveillance 7000 Series IP Cameras - CVE-2021-34734

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Main Vulnerability Database Vulnerabilities #VU56027

#VU56027 Double Free in Cisco Video Surveillance 7000 Series IP Cameras - CVE-2021-34734

Published: August 23, 2021


Vulnerability identifier: #VU56027
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-34734
CWE-ID: CWE-415
Exploitation vector: Adjecent network
Exploit availability: No public exploit available
Vulnerable software:
Cisco Video Surveillance 7000 Series IP Cameras
Software vendor:
Cisco Systems, Inc

Description

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.

External links