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AUSCERT External Security Bulletin Redistribution
ESB-2019.3803
lucene-solr security update
11 October 2019
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: lucene-solr
Publisher: Debian
Operating System: Debian GNU/Linux 8
UNIX variants (UNIX, Linux, OSX)
Impact/Access: Execute Arbitrary Code/Commands -- Existing Account
Denial of Service -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2019-0193
Original Bulletin:
https://lists.debian.org/debian-lts-announce/2019/10/msg00013.html
Comment: This advisory references vulnerabilities in products which run on
platforms other than Debian. It is recommended that administrators
running lucene-solr check for an updated version of the software for
their operating system.
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Package : lucene-solr
Version : 3.6.2+dfsg-5+deb8u3
CVE ID : CVE-2019-0193
A security vulnerability was discovered in lucene-solr, an enterprise
search server.
The DataImportHandler, an optional but popular module to pull in data
from databases and other sources, has a feature in which the whole DIH
configuration can come from a request's "dataConfig" parameter. The
debug mode of the DIH admin screen uses this to allow convenient
debugging / development of a DIH config. Since a DIH config can contain
scripts, this parameter is a security risk. Starting from now on, use
of this parameter requires setting the Java System property
"enable.dih.dataConfigParam" to true. For example this can be achieved
with solr-tomcat by adding -Denable.dih.dataConfigParam=true to
JAVA_OPTS in /etc/default/tomcat7.
For Debian 8 "Jessie", this problem has been fixed in version
3.6.2+dfsg-5+deb8u3.
We recommend that you upgrade your lucene-solr packages.
Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS
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