CVE-2017-9096 - Improper Restriction of XML External Entity Reference

Severity

68%

Complexity

86%

Confidentiality

106%

The XML parsers in iText before 5.5.12 and 7.x before 7.0.3 do not disable external entities, which might allow remote attackers to conduct XML external entity (XXE) attacks via a crafted PDF.

The XML parsers in iText before 5.5.12 and 7.x before 7.0.3 do not disable external entities, which might allow remote attackers to conduct XML external entity (XXE) attacks via a crafted PDF.

CVSS 3.0 Base Score 8.8. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (CVSS:3.0/AV:N/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

Type

iTextPDF iText

First reported 7 years ago

2017-11-08 16:29:00

Last updated 5 years ago

2019-04-30 14:39:00

Affected Software

iTextPDF iText 7.0.0

7.0.0

iTextPDF iText 7.0.1

7.0.1

iTextPDF iText 7.0.2

7.0.2

References

20171106 CVE-2017-9096 iText XML External Entity Vulnerability

Third Party Advisory, VDB Entry

https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03902en_us

Third Party Advisory

https://www.compass-security.com/fileadmin/Datein/Research/Advisories/CSNC-2017-017_itext_xml_external_entity_attack.txt

Third Party Advisory

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