#VU26742 Format string error in Palo Alto PAN-OS - CVE-2020-1992
Published: April 9, 2020
Vulnerability identifier: #VU26742
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2020-1992
CWE-ID: CWE-134
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Palo Alto PAN-OS
Palo Alto PAN-OS
Software vendor:
Palo Alto Networks, Inc.
Palo Alto Networks, Inc.
Description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a format string error in the Varrcvr daemon of PAN-OS on PA-7000 Series devices with a Log Forwarding Card (LFC). A remote attacker can supply a specially crafted input that contains format string specifiers and cause a denial of service (DoS) condition or execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Remediation
Install updates from vendor's website.