Advisory Details

June 20th, 2024

Windscribe Directory Traversal Local Privilege Escalation Vulnerability

ZDI-24-820
ZDI-CAN-23441

CVE ID CVE-2024-6141
CVSS SCORE 7.8, AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
AFFECTED VENDORS Windscribe
AFFECTED PRODUCTS Windscribe
VULNERABILITY DETAILS

This vulnerability allows local attackers to escalate privileges on affected installations of Windscribe. 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 Windscribe Service. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM.

ADDITIONAL DETAILS Windscribe has issued an update to correct this vulnerability. More details can be found at:
https://github.com/Windscribe/Desktop-App/blob/90a5cc3c1f50f6545f83969c2ace6b4ac2c91c4e/client/common/changelog.txt#L23
DISCLOSURE TIMELINE
  • 2024-05-30 - Vulnerability reported to vendor
  • 2024-06-20 - Coordinated public release of advisory
  • 2024-08-15 - Advisory Updated
CREDIT Zeze with TeamT5
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