Stack-based buffer overflow in Palo Alto PAN-OS - CVE-2020-2027
Published: June 10, 2020
Vulnerability identifier: #VU28956
CSH Severity: Low
CVSS v4: 8.6 [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]
CVE-ID: CVE-2020-2027
CWE-ID: CWE-121
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
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.
Affected software
Palo Alto PAN-OS
How to mitigate CVE-2020-2027
Install updates from vendor's website.
Palo Alto PAN-OS - addressed in versions 8.1.13, 9.0.7