Advisory Details

February 15th, 2024

ESET Smart Security Premium ekrn Link Following Local Privilege Escalation Vulnerability

ZDI-24-182
ZDI-CAN-22323

CVE ID CVE-2024-0353
CVSS SCORE 7.8, AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
AFFECTED VENDORS ESET
AFFECTED PRODUCTS Smart Security Premium
VULNERABILITY DETAILS

This vulnerability allows local attackers to escalate privileges on affected installations of ESET Smart Security Premium. 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 ESET Service. By creating a symbolic link, an attacker can abuse the service to delete a file. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM.

ADDITIONAL DETAILS ESET has issued an update to correct this vulnerability. More details can be found at:
https://support.eset.com/en/ca8612-eset-customer-advisory-link-following-local-privilege-escalation-vulnerability-in-eset-products-for-windows-fixed.
DISCLOSURE TIMELINE
  • 2023-10-17 - Vulnerability reported to vendor
  • 2024-02-15 - Coordinated public release of advisory
  • 2024-07-01 - Advisory Updated
CREDIT Nicholas Zubrisky and Michael DePlante (@izobashi) of Trend Micro Zero Day Initiative
BACK TO ADVISORIES