Stack-based buffer overflow in Palo Alto PAN-OS - CVE-2020-1990

 

Stack-based buffer overflow in Palo Alto PAN-OS - CVE-2020-1990

Published: April 9, 2020


Vulnerability identifier: #VU26741
CSH Severity: Medium
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:Green
CVE-ID: CVE-2020-1990
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 user to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in the management server component. A remote administrator can upload a corrupted PAN-OS configuration, trigger stack-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


How to mitigate CVE-2020-1990

Install updates from vendor's website.

Sources