Stack-based buffer overflow in Palo Alto PAN-OS - CVE-2020-2027

 

Stack-based buffer overflow in Palo Alto PAN-OS - CVE-2020-2027

Published: June 10, 2020


Vulnerability identifier: #VU28956
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2020-2027
CWE-ID: CWE-121
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Palo Alto Networks, Inc.
Affected software:
Palo Alto PAN-OS

Detailed vulnerability description

The vulnerability allows a remote administrator to escalate privileges on the system.

The vulnerability exists due to a boundary within the authd component of the PAN-OS management server. A remote authenticated administrator can send specially crafted request to the authd service, trigger a stack-based buffer overflow and crash it or execute arbitrary code with root privileges.


How to mitigate CVE-2020-2027

Install updates from vendor's website.

Sources