Advisory Details

February 11th, 2020

Symantec Endpoint Protection ccJobMgr Missing Authentication Privilege Escalation Vulnerability

ZDI-20-219
ZDI-CAN-9450

CVE ID CVE-2020-5823
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. 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 ccJobMgr.dll module. By invoking a method of a COM 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.SYMSA1505.html
DISCLOSURE TIMELINE
  • 2019-10-08 - Vulnerability reported to vendor
  • 2020-02-11 - Coordinated public release of advisory
CREDIT Z0mb1E
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