CVE-2016-4434 - Improper Restriction of XML External Entity Reference

Severity

68%

Complexity

86%

Confidentiality

106%

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.

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 3.0 Base Score 7.8. CVSS Attack Vector: local. CVSS Attack Complexity: low. CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H).

CVSS 2.0 Base Score 6.8. CVSS Attack Vector: network. CVSS Attack Complexity: medium. CVSS Vector: (AV:N/AC:M/Au:N/C:P/I:P/A:P).

Overview

First reported 7 years ago

2017-09-30 01:29:00

Last updated 6 years ago

2018-10-09 20:00:00

Affected Software

Apache Software Foundation Tika 1.12

1.12

References

RHSA-2017:0248

RHSA-2017:0249

RHSA-2017:0272

20160526 [CVE-2016-4434] Apache Tika XML External Entity vulnerability

[lucene-solr-user] 20190104 Re: SOLR v7 Security Issues Caused Denial of Use - Sonatype Application Composition Report

[tika-dev] 20160526 [CVE-2016-4434] Apache Tika XML External Entity vulnerability

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