Advisory Details

November 14th, 2019

Symantec Endpoint Protection Manager LuComServer stDisScriptEngine Privilege Escalation Vulnerability

ZDI-19-989
ZDI-CAN-9303

CVE ID CVE-2019-12759
CVSS SCORE 7.8, AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
AFFECTED VENDORS Symantec
AFFECTED PRODUCTS Endpoint Protection
VULNERABILITY DETAILS

This vulnerability allows local attackers to escalate privileges on affected installations of Symantec Endpoint Protection Manager. 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 stDisScriptEngine class within LuComServer. By invoking a method of this class, an attacker can launch an arbitrary executable. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM.

ADDITIONAL DETAILS Symantec has issued an update to correct this vulnerability. More details can be found at:
https://support.symantec.com/us/en/article.SYMSA1488.html
DISCLOSURE TIMELINE
  • 2019-09-17 - Vulnerability reported to vendor
  • 2019-11-14 - Coordinated public release of advisory
CREDIT Z0mb1E
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