Advisory Details

May 31st, 2023

(0Day) VIPRE Antivirus Plus DeleteHistoryFile Directory Traversal Local Privilege Escalation Vulnerability

ZDI-23-757
ZDI-CAN-19395

CVE ID CVE-2023-32177
CVSS SCORE 7.8, AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
AFFECTED VENDORS VIPRE
AFFECTED PRODUCTS Antivirus Plus
VULNERABILITY DETAILS

This vulnerability allows local attackers to escalate privileges on affected installations of VIPRE Antivirus Plus. 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 DeleteHistoryFile method. 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 VIPRE has issued an update to correct this vulnerability. More details can be found at:
https://success.vipre.com/en_US/antivirus-plus-release-notes/home-plus-release-notes-20230530
DISCLOSURE TIMELINE
  • 2022-11-24 - Vulnerability reported to vendor
  • 2023-05-31 - Coordinated public release of advisory
  • 2023-06-14 - Advisory Updated
CREDIT Yulin Sung - Trend Micro Zero Day Initiative
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