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AUSCERT External Security Bulletin Redistribution
ESB-2018.0296
Denial of Service Vulnerabilities in Apache POI < 3.17
30 January 2018
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AusCERT Security Bulletin Summary
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Product: Apache POI
Publisher: Apache
Operating System: UNIX variants (UNIX, Linux, OSX)
Windows
Impact/Access: Denial of Service -- Remote with User Interaction
Resolution: Patch/Upgrade
CVE Names: CVE-2017-12626
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CVE-2017-12626 – Denial of Service Vulnerabilities in Apache POI < 3.17
Severity: Important
Vendor: The Apache Software Foundation
Versions affected: versions prior to version 3.17
Description:
Apache POI versions prior to release 3.17 are vulnerable to Denial of
Service Attacks:
* Infinite Loops while parsing specially crafted WMF, EMF, MSG and macros
(POI bugs 61338 [0] and 61294 [1])
* Out of Memory Exceptions while parsing specially crafted DOC, PPT and XLS
(POI bugs 52372 [2] and 61295 [3])
Mitigation: Users with applications which accept content from external or
untrusted sources are advised to upgrade to Apache POI 3.17 or
newer.
[0] https://bz.apache.org/bugzilla/show_bug.cgi?id=61338
[1] https://bz.apache.org/bugzilla/show_bug.cgi?id=61294
[2] https://bz.apache.org/bugzilla/show_bug.cgi?id=52372
[3] https://bz.apache.org/bugzilla/show_bug.cgi?id=61295
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