CVE-2016-6798 Information

Description

In the XSS Protection API module before 1.0.12 in Apache Sling the method XSS.getValidXML() uses an insecure SAX parser to validate the input string which allows for XXE attacks in all scripts which use this method to validate user input potentially allowing an attacker to read sensitive data on the filesystem perform same-site-request-forgery (SSRF) port-scanning behind the firewall or DoS the application.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Reference

http://www.securityfocus.com/bid/99873 https://lists.apache.org/thread.html/b72c3a511592ec70729b3ec2d29302b6ce87bbeab62d4745617a6bd0@3Cdev.sling.apache.org3E

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8