Vulnerability identifier: #VU22816

Vulnerability risk: Low

CVSSv3.1: 3.1 [CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:L/E:P/RL:O/RC:C]

CVE-ID: CVE-2019-12758

CWE-ID: CWE-693

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Symantec Endpoint Protection
Client/Desktop applications / Antivirus software/Personal firewalls

Vendor: Broadcom

Description

The vulnerability allows a local user to bypass certain security restrictions.

The vulnerability exists due to the application does not check for digital signatures when loading the "c:\Windows\SysWOW64\wbem\DSPARSE.dll" file that is not present on the system by default. A local administrator can place a malicious "DSPARSE.dll" and gain elevated privileges on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Symantec Endpoint Protection: 11 MR1 - 14.2 RU1 MP1

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External links
http://support.symantec.com/us/en/article.SYMSA1488.html
http://safebreach.com/Post/Symantec-Endpoint-Protection-Self-Defense-Bypass-and-Potential-Usages-CVE-2019-12758

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.