7.8high

CVE-2016-4434

Apache Tika does not properly initialize the XML parser or choose handlers

Also known as GHSA-4xr4-4c65-hj7f

Published 9 y ago · modified 4 mo ago · JSON

CVSS
7.8
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
3.6%
percentile 89%
Public exploits
0
none known

Summary

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.

Exploit prediction (EPSS)

3.57% probability of exploitation in the next 30 days, higher than 89% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.07.8CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD2.06.8AV:N/AC:M/Au:N/C:P/I:P/A:P
GitHub3.07.8CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected packages

EcosystemPackageAffectedFixed in
mavenorg.apache.tika:tika-core
<1.13
1.13

Classification

Weakness
  • CWE-611 Improper Restriction of XML External Entity Reference

References

  • securityfocus.com /archive/1/538500/100/0/threaded · mailing-list, x_refsource_BUGTRAQ, x_transferred
  • mail-archives.apache.org /mod_mbox/tika-dev/201605.mbox/%3C1705136517.1175366.1464278135251.JavaMail.yahoo%40mail.y · mailing-list, x_refsource_MLIST, x_transferred
  • rhn.redhat.com /errata/RHSA-2017-0272.html · vendor-advisory, x_refsource_REDHAT, x_transferred
  • rhn.redhat.com /errata/RHSA-2017-0248.html · vendor-advisory, x_refsource_REDHAT, x_transferred
  • rhn.redhat.com /errata/RHSA-2017-0249.html · vendor-advisory, x_refsource_REDHAT, x_transferred
  • lists.apache.org /thread.html/708d94141126eac03011144a971a6411fcac16d9c248d1d535a39451%40%3Csolr-user.lucen · mailing-list, x_refsource_MLIST, x_transferred
  • nvd.nist.gov /vuln/detail/CVE-2016-4434 · advisory
  • github.com /advisories/GHSA-4xr4-4c65-hj7f · advisory
  • lists.apache.org /thread.html/708d94141126eac03011144a971a6411fcac16d9c248d1d535a39451@%3Csolr-user.lucene. · web

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.