SB2017090402 - Two vulnerabilities in Palo Alto PAN-OS

Description

This security bulletin contains information about 2 secuirty vulnerabilities.

1) Cross-site scripting (CVE-ID: CVE-2017-12416)

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

2) XXE attack (CVE-ID: CVE-2017-9458)

The vulnerability allows a remote attacker to conduct XXE attack on the target system.

The weakness exists in the encryption library due to improper handling of XML External Entity (XXE) entries when parsing an XML file. A remote attacker can supply a specially crafted XML External Entity (XXE) data to the target GlobalProtect internal and external gateway to read arbitrary files.

Successful exploitation of the vulnerability may result in information disclosure.

Remediation

Install update from vendor's website.

References

• http://securityadvisories.paloaltonetworks.com/Home/Detail/93
• http://securityadvisories.paloaltonetworks.com/Home/Detail/94