CVE-2016-4434 Information

Description

Apache Tika before 1.13 does not properly initialize the XML parser or choose handlers which might allow remote attackers to conduct XML External Entity (XXE) attacks via vectors involving (1) spreadsheets in OOXML files and (2) XMP metadata in PDF and other file formats a related issue to CVE-2016-2175.

CVSS Vector

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Reference

http://rhn.redhat.com/errata/RHSA-2017-0248.html http://rhn.redhat.com/errata/RHSA-2017-0249.html http://rhn.redhat.com/errata/RHSA-2017-0272.html http://www.securityfocus.com/archive/1/538500/100/0/threaded https://lists.apache.org/thread.html/708d94141126eac03011144a971a6411fcac16d9c248d1d535a39451@3Csolr-user.lucene.apache.org3E https://mail-archives.apache.org/mod_mbox/tika-dev/201605.mbox/3C1705136517.1175366.1464278135251.JavaMail.yahoo40mail.yahoo.com3E

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.8