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Vahagn Vardanian

Vahagn Vardanian

Co-founder and CTO of RedRays

Missing XML Validation vulnerability in Web-Survey, SAP security note 2308217

Description

Web Survey 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: 7.5 / 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)

None (N)

UI : User Interaction (Required user participation)

None (N)

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

Unchanged (U)

C : Impact to Confidentiality

None (N)

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

  • SAP_ABA | 700 | 702
  • SAP_ABA | 711 | 730
  • SAP_ABA | 731 | 731
  • SAP_ABA | 740 | 740
  • SAP_ABA | 750 | 750
  • SAP_ABA | 75A | 75A
  • SAP_ABA 711 | SAPKA71116 |
  • SAP_ABA 700 | SAPKA70034 |
  • SAP_ABA 701 | SAPKA70119 |
  • SAP_ABA 702 | SAPKA70219 |
  • SAP_ABA 750 | SAPK-75004INSAPABA |
  • SAP_ABA 75A | SAPK-75A04INSAPABA |
  • SAP_ABA 730 | SAPKA73016 |
  • SAP_ABA 731 | SAPKA73119 |
  • SAP_ABA 740 | SAPKA74016 |

Affected component

    CA-SUR
    Web Survey

CVSS

Score: 0

PoC

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

URL

https://launchpad.support.sap.com/#/notes/2308217

TAGS

#&65279-XXE
#XML-input-parsing
#XML-eXternal-Entity-(XXE)-attacks-CL_UWS_FORM_RUNTIME_MAIL

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