SB2020111220 - Multiple vulnerabilities in Palo Alto PAN-OS
Published: November 12, 2020
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 3 vulnerabilities.
1) Improper input validation (CVE-ID: N/A)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: 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
The vulnerability allows a remote user to escalate privileges on the system.
The vulnerability exists due to improper input validation in the PAN-OS management web interface. A remote privileged user can pass specially crafted data to the application and execute arbitrary OS commands on the target system.
Successful exploitation of this vulnerability may allow an attacker to execute arbitrary commands with root privileges.
2) Stack-based buffer overflow (CVE-ID: N/A)
CWE-ID: CWE-121 - Stack-based buffer overflow
CVSSv4: 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
The vulnerability allows a remote user to escalate privileges on the system.
The vulnerability exists due to improper input validation in the PAN-OS management web interface. A remote privileged user can pass specially crafted data to the application, trigger a stack-based buffer overflow and execute arbitrary OS commands on the target system.
Successful exploitation of this vulnerability may allow an attacker to execute arbitrary commands with root privileges.
3) OS Command Injection (CVE-ID: CVE-2020-2000)
CWE-ID: CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
CVSSv4: 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
The vulnerability allows a remote user to escalate privileges on the system.
The vulnerability exists due to improper input validation in the PAN-OS management web interface. A remote privileged user can pass specially crafted data to the application and execute arbitrary OS commands on the target system.
Successful exploitation of this vulnerability may allow an attacker to execute arbitrary commands with root privileges.
Remediation
Install update from vendor's website.