SB2020051145 - Multiple vulnerabilities in Symantec Endpoint Protection and Symantec Endpoint Protection Manager 



SB2020051145 - Multiple vulnerabilities in Symantec Endpoint Protection and Symantec Endpoint Protection Manager

Published: May 11, 2020 Updated: May 11, 2020

Security Bulletin ID SB2020051145
Severity
Medium
Patch available
YES
Number of vulnerabilities 5
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

Medium 20% Low 80%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 5 secuirty vulnerabilities.


1) Out-of-bounds read (CVE-ID: CVE-2020-5833)

The vulnerability allows a local user to gain access to sensitive information.

The vulnerability exists due to a boundary condition. A local user can run a specially crafted program to trigger an out-of-bounds read error and read contents of memory on the system.


2) Path traversal (CVE-ID: CVE-2020-5834)

The vulnerability allows a remote attacker to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences. A remote attacker can send a specially crafted HTTP request and read arbitrary files on the system.


3) Race condition (CVE-ID: CVE-2020-5835)

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

The vulnerability exists due to a race condition. A local user can exploit the race and gain unauthorized access to sensitive information and escalate privileges on the system.


4) Improper access control (CVE-ID: CVE-2020-5836)

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

The vulnerability exists due to application can reset ACL for files as a limited user, when the Symantec Endpoint Protection's Tamper Protection feature is disabled. As a result, a local user can  elevate privileges on the system.


5) UNIX symbolic link following (CVE-ID: CVE-2020-5837)

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.

Remediation

Install update from vendor's website.