SB2018011030 - Multiple vulnerabilities in Palo Alto PAN-OS

Description

This security bulletin contains information about 2 secuirty vulnerabilities.

1) Cross-site scripting (CVE-ID: CVE-2017-15941)

Vulnerability allows a remote attacker to perform XSS attacks.

The vulnerability is caused by an input validation error in Palo Alto Networks PAN-OS before 6.1.19, 7.0.x before 7.0.19, 7.1.x before 7.1.14, and 8.0.x before 8.0.7, when the GlobalProtect gateway or portal is configured,. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in victim's browser in security 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) Cross-site scripting (CVE-ID: CVE-2017-16878)

Vulnerability allows a remote attacker to perform Cross-site scripting attacks.

An input validation error exists in the Captive Portal function in Palo Alto Networks PAN-OS before 8.0.7. A remote authenticated attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in victim's browser in security 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.

Remediation

Install update from vendor's website.

References

• http://www.securityfocus.com/bid/102446
• http://www.securitytracker.com/id/1040147
• https://security.paloaltonetworks.com/CVE-2017-15941
• http://www.securitytracker.com/id/1040148
• https://security.paloaltonetworks.com/CVE-2017-16878