UNIX symbolic link following in Symantec Endpoint Protection - CVE-2020-5837
Published: May 11, 2020 / Updated: May 13, 2020
Vulnerability identifier: #VU27696
CSH Severity: Low
CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-5837
CWE-ID: CWE-61
Exploitation vector: Local access
Exploit availability:
Public exploit is available
Vulnerability details
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.Affected software
Symantec Endpoint Protection
How to mitigate CVE-2020-5837
Install updates from vendor's website.
Symantec Endpoint Protection - update to 14.3