Headline
CVE-2023-6792: CVE-2023-6792 PAN-OS: OS Command Injection Vulnerability in the XML API
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.
Palo Alto Networks Security Advisories / CVE-2023-6792
Urgency REDUCED
Response Effort LOW
Recovery AUTOMATIC
Value Density DIFFUSE
Attack Vector NETWORK
Attack Complexity LOW
Attack Requirements PRESENT
Automatable NO
User Interaction NONE
Product Confidentiality HIGH
Product Integrity LOW
Product Availability NONE
Privileges Required HIGH
Subsequent Confidentiality NONE
Subsequent Integrity NONE
Subsequent Availability NONE
NVD JSON
Published 2023-12-13
Updated 2023-12-13
Reference PAN-156560
Discovered externally
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
CVSSv4.0 Base Score: 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.
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.
Acknowledgments
Palo Alto Networks thanks Ethan Shackelford of IOActive for discovering and reporting this issue.
Timeline
2023-12-13 Initial publication