SB2021041368 - Insecure DLL loading in clamav (Alpine package)



SB2021041368 - Insecure DLL loading in clamav (Alpine package)

Published: April 13, 2021

Security Bulletin ID SB2021041368
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Insecure DLL loading (CVE-ID: CVE-2021-1386)

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 escalate privileges on the system.

The vulnerability exists due to the application loads DLL libraries in an insecure manner. A local user can place a malicious .dll file in certain location on the system and execute arbitrary code with SYSTEM privileges.

Note, the vulnerability affects Windows installations only.


Remediation

Install update from vendor's website.