Vulnerability identifier: #VU27696

Vulnerability risk: Low

CVSSv3.1: 7.9 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:O/RC:C]

CVE-ID: CVE-2020-5837

CWE-ID: CWE-61

Exploitation vector: Local

Exploit availability: Yes

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

Vendor: Broadcom

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to application does not properly impose security restrictions when writing to log files. A local user can create a symbolic link to a critical file on the system and overwrite it.

Successful exploitation of the vulnerability may lead to privilege escalation.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Symantec Endpoint Protection: 14 MP1 - 14.2 RU2 MP1

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External links
http://support.broadcom.com/security-advisory/security-advisory-detail.html?notificationId=SYMSA1762

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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.