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AUSCERT External Security Bulletin Redistribution
[ANNOUNCE] Apache NiFi CVE-2017-12623
10 October 2017
AusCERT Security Bulletin Summary
Product: Apache NiFi
Publisher: The Apache Software Foundation
Operating System: Windows
UNIX variants (UNIX, Linux, OSX)
Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated
Access Confidential Data -- Remote/Unauthenticated
CVE Names: CVE-2017-12623
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CVE-2017-12623: Apache NiFi XXE issue in template XML upload
Apache NiFi PMC would like to announce the discovery and resolution of
CVE-2017-12623. This issue has been resolved and a new version of the
Apache NiFi project was released in accordance with the Apache Release
Apache NiFi is an easy to use, powerful, and reliable system to process
and distribute data. It supports powerful and scalable directed graphs
of data routing, transformation, and system mediation logic.
Fixed in Apache NiFi 1.4.0 (Released: October 2, 2017)
CVE-2017-12623: Apache NiFi XXE issue when loading template
Apache NiFi 1.0.0 - 1.3.0
Description: An authorized user could upload a template which contained
malicious code and accessed sensitive files via an XML External Entity
Mitigation: The fix to properly handle XML External Entities was applied
on the Apache NiFi 1.4.0 release. Users running a prior 1.x release
should upgrade to the appropriate release.
Credit: This issue was discovered by Pawel Gocyla.
For more information: https://nifi.apache.org/security.html
PGP Fingerprint: 70EC B3E5 98A6 5A3F D3C4 BACE 3C6E F65B 2F7D EF69
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