Date: Fri, 26 May 2017 14:26:44 -0400 From: larry mccay <lmccay@...che.org> To: user@...x.apache.org, dev@...x.apache.org, security <security@...che.org>, "<security@...oop.apache.org>" <security@...oop.apache.org>, announce@...che.org, private@...x.apache.org Cc: oss-security@...ts.openwall.com, bugtraq@...urityfocus.com Subject: [ANNOUNCE] CVE-2017-5646: Apache Knox Impersonation Issue for WebHDFS CVE-2017-5646: Apache Knox Impersonation Issue for WebHDFS Severity: Important Vendor: The Apache Software Foundation Versions Affected: All versions of Apache Knox prior to 0.12.0 An authenticated user may use a specially crafted URL to impersonate another user while accessing WebHDFS through Apache Knox. This may result in escalated privileges and unauthorized data access. While this activity is audit logged and can be easily associated with the authenticated user, this is still a serious security issue. Mitigation: All users are recommended to upgrade to Apache Knox 0.12.0, where validation, scrubbing and logging of such attempts has been added. The Apache Knox 0.12.0 release can be downloaded from: Source: http://www.apache.org/dyn/closer.cgi/knox/0.12.0/knox-0.12.0-src.zip Binary: http://www.apache.org/dyn/closer.cgi/knox/0.12.0/knox-0.12.0.zip
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