Advisory Details

June 15th, 2020

McAfee VirusScan Enterprise Junction Privilege Escalation Vulnerability

ZDI-20-702
ZDI-CAN-10005

CVE ID CVE-2020-7280
CVSS SCORE 7.8, (AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
AFFECTED VENDORS McAfee
AFFECTED PRODUCTS VirusScan Enterprise
VULNERABILITY DETAILS

This vulnerability allows local attackers to escalate privileges on affected installations of McAfee VirusScan Enterprise. 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 processing of log files. By creating a junction, an attacker can abuse the product to overwrite the contents of a chosen file. An attacker can leverage this vulnerability to escalate privileges and execute code in the context of SYSTEM.

ADDITIONAL DETAILS McAfee has issued an update to correct this vulnerability. More details can be found at:
https://kc.mcafee.com/corporate/index?page=content&id=SB10302
DISCLOSURE TIMELINE
  • 2019-12-27 - Vulnerability reported to vendor
  • 2020-06-15 - Coordinated public release of advisory
CREDIT Glenn Lloyd
BACK TO ADVISORIES