Advisory Details

July 2nd, 2020

Check Point ZoneAlarm Symlink Following Privilege Escalation Vulnerability

ZDI-20-803
ZDI-CAN-10071

CVE ID CVE-2020-6013
CVSS SCORE 7.5, (AV:L/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H)
AFFECTED VENDORS Check Point
AFFECTED PRODUCTS ZoneAlarm
VULNERABILITY DETAILS

This vulnerability allows local attackers to escalate privileges on affected installations of Check Point ZoneAlarm. 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 ZoneAlarm Service. The issue results from the lack of proper validation of a user-supplied symbolic link prior to using it in file operations. An attacker can leverage this vulnerability to escalate privileges and execute 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://supportcenter.checkpoint.com/supportcenter/portal?eventSubmit_doGoviewsolutiondetails=&solutionid=sk142952
DISCLOSURE TIMELINE
  • 2020-02-05 - Vulnerability reported to vendor
  • 2020-07-02 - Coordinated public release of advisory
CREDIT Glenn Lloyd
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