Advisory Details

June 18th, 2024

(0Day) Poly Plantronics Hub Link Following Local Privilege Escalation Vulnerability

ZDI-24-802
ZDI-CAN-18271

CVE ID CVE-2024-6147
CVSS SCORE 7.8, AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
AFFECTED VENDORS Poly
AFFECTED PRODUCTS Plantronics Hub
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
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