PAN-SA-2016-0033 Cross-Site Scripting in Captive Portal
Description
Palo Alto Networks firewalls can be configured to identify users through a captive portal. This process is vulnerable to a cross-site scripting attack. (Ref # PAN-56221/93759).
The captive portal is reserved to identify internal users, thus should not be exposed to the Internet.
This issue affects PAN-OS 5.0.19 and earlier; PAN-OS 5.1.12 and earlier; PAN-OS 6.0.14 and earlier; PAN-OS 6.1.14 and earlier; PAN-OS 7.0.10 and earlier; PAN-OS 7.1.4 and earlier
Product Status
| Versions | Affected | Unaffected |
|---|---|---|
| PAN-OS 7.1 | <= 7.1.4 | >= 7.1.5 |
| PAN-OS 7.0 | <= 7.0.10 | >= 7.0.11 |
| PAN-OS 6.1 | <= 6.1.14 | >= 6.1.15 |
| PAN-OS 6.0 | <= 6.0.14 | >= 6.0.15 |
| PAN-OS 5.1 | <= 5.1.12 | >= 5.1.13 |
| PAN-OS 5.0 | <= 5.0.19 | >= 5.0.20 |
Severity: MEDIUM
CVSSv3.1 Base Score: 5.4 (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N)
Weakness Type
CWE-79 Cross-site Scripting (XSS)
Solution
PAN-OS 5.0.20 and later; PAN-OS 5.1.13 and later; PAN-OS 6.0.15 and later; PAN-OS 6.1.15 and later; PAN-OS 7.0.11 and later; PAN-OS 7.1.5 and later
Workarounds and Mitigations
The captive portal is typically deployed to internal user population as a way to identify local users and should therefore not be exposed to the wider Internet.