(0Day) Poly Plantronics Hub Link Following Local Privilege Escalation Vulnerability
Vulnerability Details
This vulnerability allows local attackers to escalate privileges on affected installations of Poly Plantronics Hub. 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 Spokes Update Service. By creating a symbolic link, an attacker can abuse the service to delete a file. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM.
Additional Details
Poly has issued an update to correct this vulnerability. More details can be found at:
https://support.hp.com/us-en/document/ish_9869257-9869285-16/hpsbpy03895
Disclosure Timeline
- 2022-08-10 - Vulnerability reported to vendor
- 2024-06-18 - Coordinated public release of advisory
- 2024-08-30 - Advisory Updated
Credit
Michael DePlante (@izobashi) of Trend Micro's Zero Day Initiative
