Format string error in Palo Alto PAN-OS - CVE-2020-1979
Published: March 20, 2020
Vulnerability identifier: #VU26249
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2020-1979
CWE-ID: CWE-134
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Palo Alto Networks, Inc.
Affected software:
Palo Alto PAN-OS
Palo Alto PAN-OS
Detailed vulnerability description
The vulnerability allows a local user to execute arbitrary code on the target system.
The vulnerability exists due to a format string error in the PAN-OS log daemon (logd) on Panorama. A local user can supply a specially crafted input that contains format string specifiers 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-2020-1979
Install updates from vendor's website.