SB2020121007 - Privilege escalation in Palo Alto Cortex XDR Agent for Windows
Published: December 10, 2020
Security Bulletin ID
SB2020121007
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-2020-2049)
CWE-ID: CWE-427 - Uncontrolled Search Path Element
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:H/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 with the ability to write files into the Windows root directory (such as "C:\") can place a specially crafted .dll file in the folder and execute arbitrary code with SYSTEM privileges.
Remediation
Install update from vendor's website.