GitHub Advisory DatabaseGHSA-86P9-X5PW-94QXImproper Restriction of XML External Entity Reference in iText
6.8 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
8.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
0.006 Low
EPSS
Percentile
78.5%
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.
Affected configurations
| CPE | Name | Operator | Version |
|---|---|---|---|
| com.lowagie:itext | le | 4.2.2 | |
| com.itextpdf:itextpdf | lt | 7.0.3 | |
| com.itextpdf:itextpdf | lt | 5.5.12 |
References
www.securityfocus.com/archive/1/541483/100/0/threaded
github.com/advisories/GHSA-86p9-x5pw-94qx
nvd.nist.gov/vuln/detail/CVE-2017-9096
support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03902en_us
www.compass-security.com/fileadmin/Datein/Research/Advisories/CSNC-2017-017_itext_xml_external_entity_attack.txt
www.oracle.com/security-alerts/cpuoct2020.html
Related
6.8 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
8.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
0.006 Low
EPSS
Percentile
78.5%