Skip links

Missing XML Validation vulnerability in SAP Note Assistant, SAP security note 2425129

Description

UPDATE 28th January 2019: This note has been re-released with updated “Reason and Prerequisites” information. Additionally, CVSS information is also made available.

SAP Note Assistant 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

High (H)

I : Impact to Integrity

None (N)

A : Impact to Availability

Low (L)

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_BASIS | 700 | 702
  • SAP_BASIS | 710 | 711
  • SAP_BASIS | 730 | 730
  • SAP_BASIS | 731 | 731
  • SAP_BASIS | 740 | 740
  • SAP_BASIS | 750 | 751
  • SAP_BASIS 710 | SAPKB71022 |
  • SAP_BASIS 711 | SAPKB71117 |
  • SAP_BASIS 730 | SAPKB73017 |
  • SAP_BASIS 731 | SAPKB73120 |
  • SAP_BASIS 740 | SAPKB74017 |
  • SAP_BASIS 751 | SAPK-75102INSAPBASIS |
  • SAP_BASIS 700 | SAPKB70035 |
  • SAP_BASIS 701 | SAPKB70120 |
  • SAP_BASIS 750 | SAPK-75008INSAPBASIS |
  • SAP_BASIS 702 | SAPKB70220 |
  • SAP_BASIS 751 | SAPK-75103INSAPBASIS |
  • SAP_BASIS 730 | SAPKB73018 |
  • SAP_BASIS 731 | SAPKB73121 |
  • SAP_BASIS 740 | SAPKB74018 |

Affected component

    BC-UPG-NA
    SAP Notes Assistant

CVSS

Score: 6.9
CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:N/A:L

Exploit

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

URL

https://launchpad.support.sap.com/#/notes/2425129

TAGS

#&65279-XXE
#XML-input-parsing
#SNOTE
#Note-Assistant