SB2021042812 - Multiple vulnerabilities in Lenovo PCManager



SB2021042812 - Multiple vulnerabilities in Lenovo PCManager

Published: April 28, 2021

Security Bulletin ID SB2021042812
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 vulnerabilities.


1) Incorrect default permissions (CVE-ID: CVE-2021-3451)

CWE-ID: CWE-276 - Incorrect Default Permissions

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to incorrect default permissions for files and folders that are set by the application. A local user send a specially crafted request and cause a denial of service condition.


2) Insecure DLL loading (CVE-ID: CVE-2021-3464)

CWE-ID: CWE-427 - Uncontrolled Search Path Element

CVSSv4: 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/E:U/U:Clear


The vulnerability allows a local user to compromise vulnerable system.

The vulnerability exists due to a DLL search path flaw. A local user can use a specially crafted .DLL file and gain elevated privileges.


Remediation

Install update from vendor's website.