Advisory Details

May 31st, 2023

(0Day) VIPRE Antivirus Plus TelFileTransfer Link Following Local Privilege Escalation Vulnerability

ZDI-23-758
ZDI-CAN-19396

CVE ID CVE-2023-32178
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 TelFileTransfer method. By creating a symbolic link, an attacker can abuse the method to delete arbitrary files. 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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