Advisory Details

May 31st, 2023

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

ZDI-23-755
ZDI-CAN-18899

CVE ID CVE-2023-32175
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 Anti Malware Service. By creating a symbolic link, an attacker can abuse the service to create 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 Dennis Herrmann (@dhn_)
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