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Arpine Maghakyan

Arpine Maghakyan

Security Researcher of RedRays.

Missing XML Validation vulnerability in SAP NetWeaver Java Workflow (JWF), SAP security note 2492658

Description

UPDATE 23rd October 2017 : This security note has been re-released after adding corrections for the following SP: JAVA WORKFLOW 7.50 SP009

SAP NetWeaver Java Workflow (JWF) does not sufficiently validate an XML document accepted from an untrusted source.

Some well-known impacts of Missing XML Validation vulnerability are –

  • arbitrary files retrieval from the server
  • denial-of-service conditions in successful exploits

CVSS Information

CVSS v3 Base Score: 6.9 / 10
CVSS v3 Base Vector:

AV : Attack Vector (Related exploit range)

Network (N)

AC : Attack Complexity (Required attack complexity)

Low (L)

PR : Privileges Required (Level of privileges needed to exploit)

High (H)

UI : User Interaction (Required user participation)

Required (R)

S : Scope (Change in scope due to impact caused to components beyond the vulnerable component)

Changed (C)

C : Impact to Confidentiality

Low (L)

I : Impact to Integrity

None (N)

A : Impact to Availability

High (H)

SAP provides this CVSS v3 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://support.sap.com/securitynotes.

Available fix and Supported packages

  • UWLJWF | 7.00 | 7.02
  • JWF | 7.30 | 7.30
  • JWF | 7.31 | 7.31
  • JWF | 7.40 | 7.40
  • JWF | 7.50 | 7.50
  • JAVA WORKFLOW 7.30 | SP017 | 000002
  • JAVA WORKFLOW 7.30 | SP018 | 000000
  • JAVA WORKFLOW 7.31 | SP020 | 000002
  • JAVA WORKFLOW 7.31 | SP021 | 000000
  • JAVA WORKFLOW 7.31 | SP022 | 000000
  • JAVA WORKFLOW 7.40 | SP015 | 000002
  • JAVA WORKFLOW 7.40 | SP016 | 000000
  • JAVA WORKFLOW 7.40 | SP017 | 000000
  • JAVA WORKFLOW 7.50 | SP007 | 000002
  • JAVA WORKFLOW 7.50 | SP008 | 000002
  • JAVA WORKFLOW 7.50 | SP009 | 000001
  • JAVA WORKFLOW 7.50 | SP010 | 000000
  • JAVA WORKFLOW 7.50 | SP011 | 000000
  • UWL COLL PROCESS ENGINE 7.00 | SP034 | 000002
  • UWL COLL PROCESS ENGINE 7.01 | SP019 | 000002
  • UWL COLL PROCESS ENGINE 7.02 | SP019 | 000002

Affected component

    EP-BC-UWL
    Universal Worklist

CVSS

Score: 0

Exploit

Detailed vulnerability information added to RedRays Security Platform. Contact [email protected] for details.

URL

https://launchpad.support.sap.com/#/notes/2492658

TAGS

#&65279-XXE
#XML-input-parsing

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