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Message-ID: <CAEWfVJkLfoDJ-VjddTo_Vb70q4M+tN2GvpabRDR_iPdCAFtY1Q@mail.gmail.com>
Date: Tue, 18 Jul 2017 12:22:03 +0200
From: Bertrand Delacretaz <bdelacretaz@...che.org>
To: dev <dev@...ng.apache.org>, users <users@...ng.apache.org>,
"security@...ng.apache.org" <security@...ng.apache.org>, oss-security@...ts.openwall.com,
bugtraq@...urityfocus.com
Subject: CVE-2016-6798 : Apache Sling XXE vulnerability
Severity: Important
Vendor: The Apache Software Foundation
Versions Affected:
Sling XSS Protection API 1.0.0
Description:
The method XSS.getValidXML() uses an insecure SAX parser to validate
the input string, which allows for XXE [0] 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.
[0] https://www.owasp.org/index.php/XML_External_Entity_(XXE)_Processing
Mitigation:
Users should upgrade to version 1.0.12 or later of the XSS Protection
API module.
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