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Bug 1321789 - (CVE-2016-3674) CVE-2016-3674 XStream: enabled processing of external entities
CVE-2016-3674 XStream: enabled processing of external entities
Status: NEW
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
unspecified
All Linux
medium Severity medium
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Assigned To: Red Hat Product Security
impact=moderate,public=20160315,repor...
: Security
Depends On: 1322177 1321791 1321792 1322169 1322170 1322171 1322172 1322173 1322174 1322175 1335765
Blocks: 1321793 1385169 1391689
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Reported: 2016-03-29 03:29 EDT by Andrej Nemec
Modified: 2018-08-18 07:29 EDT (History)
60 users (show)

See Also:
Fixed In Version: XStream 1.4.9
Doc Type: Bug Fix
Doc Text:
It was found that several XML parsers used by XStream had default settings that would expand entity references. A remote, unauthenticated attacker could use this flaw to read files accessible to the user running the application server, and potentially perform other more advanced XXE attacks.
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RHEL 7.3 requirements from Atomic Host:
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External Trackers
Tracker ID Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2016:2822 normal SHIPPED_LIVE Moderate: Red Hat JBoss BPM Suite security update 2016-11-28 17:55:25 EST
Red Hat Product Errata RHSA-2016:2823 normal SHIPPED_LIVE Moderate: Red Hat JBoss BRMS security update 2016-11-28 17:55:19 EST

  None (edit)
Description Andrej Nemec 2016-03-29 03:29:18 EDT 
XStream (x-stream.github.io) is a Java library to marshal Java objects into 
XML and back. For this purpose it supports a lot of different XML parsers. 
Some of those can also process external entities which was enabled by 
default.

An attacker could therefore provide manipulated XML as input to access data 
on the file system, see 
https://www.owasp.org/index.php/XML_External_Entity_(XXE)_Processing
Comment 1 Andrej Nemec 2016-03-29 03:30:22 EDT 
Created jenkins-xstream tracking bugs for this issue:

Affects: fedora-all [bug 1321792]
Comment 2 Andrej Nemec 2016-03-29 03:30:47 EDT 
Created xstream tracking bugs for this issue:

Affects: fedora-all [bug 1321791]
Comment 6 Pavel Polischouk 2016-03-31 16:41:56 EDT 
External References:

https://github.com/x-stream/xstream/issues/25
Comment 8 Fedora Update System 2016-04-04 13:24:15 EDT 
xstream-1.4.9-1.fc24 has been pushed to the Fedora 24 stable repository. If problems still persist, please make note of it in this bug report.
Comment 9 Fedora Update System 2016-04-26 16:54:24 EDT 
xstream-1.4.9-1.fc23 has been pushed to the Fedora 23 stable repository. If problems still persist, please make note of it in this bug report.
Comment 10 Fedora Update System 2016-04-26 17:21:37 EDT 
xstream-1.4.9-1.fc22 has been pushed to the Fedora 22 stable repository. If problems still persist, please make note of it in this bug report.
Comment 14 errata-xmlrpc 2016-11-28 12:55:33 EST 
This issue has been addressed in the following products:

  Red Hat JBoss BRMS 6.4.0

Via RHSA-2016:2823 https://rhn.redhat.com/errata/RHSA-2016-2823.html
Comment 15 errata-xmlrpc 2016-11-28 12:56:21 EST 
This issue has been addressed in the following products:

  Red Hat JBoss BPM Suite 6.4.0

Via RHSA-2016:2822 https://rhn.redhat.com/errata/RHSA-2016-2822.html
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