Bitdefender GravityZone Link Following Denial-of-Service Vulnerability
Vulnerability Details
This vulnerability allows local attackers to create a denial-of-service condition on affected installations of Bitdefender GravityZone. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.
The specific flaw exists within the Endpoint Agent. By creating a symbolic link, an attacker can abuse the service to overwrite a file. An attacker can leverage this vulnerability to create a denial-of-service condition on the system.
Additional Details
Bitdefender has issued an update to correct this vulnerability. More details can be found at:
https://www.bitdefender.com/support/security-advisories/improper-link-resolution-before-file-access-in-bitdefender-endpoint-security-tools-for-windows-va-9921/
Disclosure Timeline
- 2021-07-09 - Vulnerability reported to vendor
- 2022-01-27 - Coordinated public release of advisory
Credit
@Kharosx0
