Bitdefender Total Security 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 Total Security. 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 Bitdefender Virus Shield. By creating a symbolic link, an attacker can abuse the service to delete files. 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/messaging_ipc-dll-null-pointer-dereference-in-multiple-bitdefender-products-va-10016/
Disclosure Timeline
- 2021-09-08 - Vulnerability reported to vendor
- 2022-03-09 - Coordinated public release of advisory
Credit
Michael DePlante (@izobashi) of Trend Micro's Zero Day Initiative
