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CVE-2017-9096

Good to know:

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Date: November 8, 2017

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.

Language: Java

Severity Score

Related Resources (6)

https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03902en_us
https://nvd.nist.gov/vuln/detail/CVE-2017-9096
https://www.compass-security.com/fileadmin/Datein/Research/Advisories/CSNC-2017-017_itext_xml_external_entity_attack.txt
https://www.oracle.com/security-alerts/cpuoct2020.html
http://www.securityfocus.com/archive/1/541483/100/0/threaded
https://www.mend.io/vulnerability-database/CVE-2017-9096

Severity Score

Weakness Type (CWE)

Improper Restriction of XML External Entity Reference ('XXE')

CWE-611

Top Fix

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Upgrade Version

Upgrade to version com.itextpdf:itextpdf:5.5.12

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): PARTIAL
Additional information:

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