CVE-2023-6792 PAN-OS: OS Command Injection Vulnerability in the XML API
Description
An OS command injection vulnerability in the XML API of Palo Alto Networks PAN-OS software enables an authenticated API user to disrupt system processes and potentially execute arbitrary code with limited privileges on the firewall.
Product Status
| Versions | Affected | Unaffected |
|---|---|---|
| Cloud NGFW | None | All |
| PAN-OS 11.1 | None | All |
| PAN-OS 11.0 | None | All |
| PAN-OS 10.2 | None | All |
| PAN-OS 10.1 | < 10.1.6 | >= 10.1.6 |
| PAN-OS 10.0 | < 10.0.12 | >= 10.0.12 |
| PAN-OS 9.1 | < 9.1.15 | >= 9.1.15 |
| PAN-OS 9.0 | < 9.0.17 | >= 9.0.17 |
| PAN-OS 8.1 | < 8.1.24 | >= 8.1.24 |
| Prisma Access | None | All |
Required Configuration for Exposure
This issue is applicable only to PAN-OS configurations that have XML API access enabled.
You can find more information about the XML API here: https://docs.paloaltonetworks.com/pan-os/11-1/pan-os-panorama-api/pan-os-api-authentication/enable-api-access
Severity: MEDIUM, Suggested Urgency: REDUCED
CVSS-B: 5.9 (CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N/AU:N/R:A/V:D/RE:L/U:Green)
Exploitation Status
Palo Alto Networks is not aware of any malicious exploitation of this issue.
Weakness Type
CWE-88 Improper Neutralization of Argument Delimiters in a Command ('Argument Injection')
Solution
This issue is fixed in PAN-OS 8.1.24, PAN-OS 9.0.17, PAN-OS 9.1.15, PAN-OS 10.0.12, PAN-OS 10.1.6, and all later PAN-OS versions.
Please note that customers impacted by the PAN-OS root and default certificate expiration issue must carefully select the fixed version of PAN-OS they upgrade their devices to when addressing this vulnerability to not reintroduce the certificate issue. More information and support for the certificate expiration issue in PAN-OS is available at https://live.paloaltonetworks.com/t5/customer-advisories/emergency-update-required-pan-os-root-and-default-certificate/ta-p/564672.
Workarounds and Mitigations
Customers with a Threat Prevention subscription can block attacks for this vulnerability by enabling Threat ID 91715 (introduced in Applications and Threats content update 8473).
This issue requires the attacker to have authenticated access to the PAN-OS XML API. You can mitigate the impact of this issue by following the Best Practices for Securing Administrative Access in the PAN-OS technical documentation at https://docs.paloaltonetworks.com/best-practices.