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Vahagn Vardanian

Vahagn Vardanian

Co-founder and CTO of RedRays

CVE-2019-0279 Missing Authorization check for ABAP INST function module, SAP security note 2753629

Description

ABAP BASIS function modules covered in correction instruction do not perform necessary authorization checks in all circumstances for an authenticated user, resulting in escalation of privileges.

 Some well-known impacts of Missing Authorization check are –

  • abuse functionality restricted to a particular user group
  • modify or delete specific data    

Available fix and Supported packages

  • SAP_BASIS | 700 | 702
  • SAP_BASIS | 710 | 730
  • SAP_BASIS | 731 | 731
  • SAP_BASIS | 740 | 740
  • SAP_BASIS | 750 | 753
  • SAP_BASIS | 775 | 775
  • SAP_BASIS 710 | SAPKB71024 |
  • SAP_BASIS 711 | SAPKB71119 |
  • SAP_BASIS 752 | SAPK-75204INSAPBASIS |
  • SAP_BASIS 700 | SAPKB70037 |
  • SAP_BASIS 701 | SAPKB70122 |
  • SAP_BASIS 702 | SAPKB70222 |
  • SAP_BASIS 730 | SAPKB73020 |
  • SAP_BASIS 731 | SAPKB73125 |
  • SAP_BASIS 740 | SAPKB74022 |
  • SAP_BASIS 753 | SAPK-75302INSAPBASIS |
  • SAP_BASIS 750 | SAPK-75015INSAPBASIS |
  • | SAPK-776BHINSAPBASIS |
  • SAP_BASIS 751 | SAPK-75109INSAPBASIS |
  • SAP_BASIS 775 | SAPK-77505INSAPBASIS |

Affected component

    BC-INS-FWK
    sapinst and slplugin/slcb

CVSS

Score: 5.5
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:H

PoC

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

URL

https://launchpad.support.sap.com/#/notes/2753629

TAGS

#Access-control
#Authorization-error
#Authorization-profile
#ABAP-BASIS
#CVE-2019-0279

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