Vulnerability Name:

CVE-2017-9096

Assigned:2017-05-19
Published:2017-11-06
Updated:2017-11-30
Summary: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 v3 Severity:7.8 High (CVSS v3 Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
6.8 Medium (Temporal CVSS v3 Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
5.3 Medium (CCN CVSS v3 Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N)
4.6 Medium (CCN Temporal CVSS v3 Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): Low
Integrity (I): None
Availibility (A): None
CVSS v2 Severity:6.8 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
6.8 Medium (CCN CVSS v2 Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Athentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
Vulnerability Type:CWE-611
References:Source: BUGTRAQ
Type: VENDOR_ADVISORY
20171106 CVE-2017-9096 iText XML External Entity Vulnerability

Source: XF
Type: UNKNOWN
itext-cve20179096-xxe-info-disc(134520)

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

Vulnerable Configuration:Configuration 1:
  • cpe:/a:itextpdf:itext:7.0.0:*:*:*:*:*:*:*
  • OR cpe:/a:itextpdf:itext:7.0.1:*:*:*:*:*:*:*
  • OR cpe:/a:itextpdf:itext:7.0.2:*:*:*:*:*:*:*

  • Denotes that component is vulnerable
    BACK
    itextpdf itext 7.0.0
    itextpdf itext 7.0.1
    itextpdf itext 7.0.2