QID 730273

Date Published: 2021-11-23

QID 730273: Palo Alto Networks (PAN-OS) GlobalProtect Memory Corruption Vulnerability (PAN-149501)

PAN OS is the software that runs all Palo Alto Networks next-generation firewalls.

A memory corruption vulnerability in Palo Alto Networks PAN-OS GlobalProtect Clientless VPN enables an authenticated attacker to execute arbitrary code with root user privileges during SAML authentication.
Affected Version:
PAN-OS 8.1 versions earlier than PAN-OS 8.1.20;
PAN-OS 9.0 versions earlier than PAN-OS 9.0.14;
PAN-OS 9.1 versions earlier than PAN-OS 9.1.9;
PAN-OS 10.0 versions earlier than PAN-OS 10.0.1
QID Detection Logic (Authenticated):
This QID looks for the vulnerable version of PAN-OS
NOTE: This issue is applicable only to PAN-OS firewall configurations with the Clientless VPN feature and SAML authentication enabled for GlobalProtect Portal.

CVSS V3 rated as Critical - 8.8 severity.

CVSS V2 rated as Critical - 8.5 severity.

Solution

Refer to PAN-149501 for more information about patching this vulnerability.Workaround:
Enable signatures for Unique Threat ID 91585 on traffic processed by the firewall to block attacks against CVE-2021-3056.

Vendor References

PAN-149501 - security.paloaltonetworks.com/CVE-2021-3056

CVEs related to QID 730273

CVE-2021-3056 |

Software Advisories

Advisory ID	Software	Component	Link
PAN-149501			security.paloaltonetworks.com/CVE-2021-3056

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