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XML External Entity vulnerability in SAP XML Parser, SAP security note 2111939

Description

A malicious user can modify an XML-based request to include XML content that is then parsed locally.
This could allow a malicious user to perform a denial of service (DoS) on the parsing system, or disclose local data that is then returned in the response to the malicious request, or access further network-located resources that are accessible from the parsing system.

CVSS Information
CVSS Base Score:  5.5 / 10
CVSS Base Vector:

AV : Access Vector (Related exploit range) Network (N)
AC : Access Complexity (Required attack complexity) Low (L)
Au : Authentication (Level of authentication needed to exploit) Single (S)
C : Impact to Confidentiality Partial (P)
I  : Impact to Integrity None (N)
A : Impact to Availability Partial (P)

 SAP provides this CVSS base score as an estimate of the risk posed by the issue reported in this note. This estimate does not take into account your own system configuration or operational environment. It is not intended to replace any risk assessments you are advised to conduct when deciding on the applicability or priority of this SAP security note. For more information, see the FAQ section at https://service.sap.com/securitynotes/.

Available fix and Supported packages

  • EP-PSERV | 7.00 | 7.02
  • EP-RUNTIME | 7.10 | 7.11
  • EP-RUNTIME | 7.20 | 7.20
  • EP-RUNTIME | 7.30 | 7.30
  • EP-RUNTIME | 7.31 | 7.31
  • EP-RUNTIME | 7.40 | 7.40
  • EP RUNTIME 7.10 | SP019 | 000002
  • EP RUNTIME 7.10 | SP020 | 000000
  • EP RUNTIME 7.11 | SP013 | 000004
  • EP RUNTIME 7.11 | SP014 | 000001
  • EP RUNTIME 7.11 | SP015 | 000000
  • EP RUNTIME 7.20 | SP009 | 000006
  • EP RUNTIME 7.30 | SP012 | 000012
  • EP RUNTIME 7.30 | SP013 | 000000
  • EP RUNTIME 7.30 | SP014 | 000000
  • EP RUNTIME 7.31 | SP014 | 000006
  • EP RUNTIME 7.31 | SP015 | 000001
  • EP RUNTIME 7.31 | SP016 | 000000
  • EP RUNTIME 7.40 | SP009 | 000008
  • EP RUNTIME 7.40 | SP010 | 000001
  • EP RUNTIME 7.40 | SP011 | 000000
  • PORTAL 7.00 | SP031 | 000008
  • PORTAL 7.00 | SP032 | 000000
  • PORTAL 7.00 | SP033 | 000000
  • PORTAL 7.01 | SP016 | 000007
  • PORTAL 7.01 | SP017 | 000000

Affected component

    EP-PIN-PCD-ROL-UPL
    Role upload from ERP

CVSS

Score: 0

Exploit

Exploit is not available.
For detailed information please contact the mail [email protected]

URL

https://launchpad.support.sap.com/#/notes/2111939

TAGS

#XXE
#XML-eXternal-Entity
#information-disclosure
#denial-of-service
#DoS
#Role-Upload
#Thread-Reporting