SB2020072874 - Insecure DLL loading in firefox (Alpine package)
Published: July 28, 2020
Security Bulletin ID
SB2020072874
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Insecure DLL loading (CVE-ID: CVE-2020-15657)
CWE-ID: CWE-427 - Uncontrolled Search Path Element
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/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 from the installation directory. A remote attacker can place a specially crafted .dll file into directory, from which Firefox is being installed, trick the victim into launching the Firefox installer and execute arbitrary code on the system.
Remediation
Install update from vendor's website.