Advisory Details

December 12th, 2023

Check Point ZoneAlarm Extreme Security Link Following Local Privilege Escalation Vulnerability

ZDI-23-1764
ZDI-CAN-19062

CVE ID CVE-2023-28134
CVSS SCORE 7.8, AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
AFFECTED VENDORS Check Point
AFFECTED PRODUCTS ZoneAlarm Extreme Security
VULNERABILITY DETAILS

This vulnerability allows local attackers to escalate privileges on affected installations of Check Point ZoneAlarm Extreme Security. 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 Remediation Service. By creating a symbolic link, an attacker can abuse the service to change the DACL on a folder. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM.

ADDITIONAL DETAILS Check Point has issued an update to correct this vulnerability. More details can be found at:
https://support.checkpoint.com/results/sk/sk181597
DISCLOSURE TIMELINE
  • 2022-11-21 - Vulnerability reported to vendor
  • 2023-12-12 - Coordinated public release of advisory
CREDIT Filip Dragovic
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