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Vahagn Vardanian

Co-founder and CTO of RedRays

Fixing directory traversal vulnerabilities, SAP security note 1521786

SAP Note 1521786SAP Security NoteHigh priority

SAP security note 1521786, "Fixing directory traversal vulnerabilities", is released on 14.12.2010. Below are the symptom, SAP recommended solution and the affected software components.

ComponentBasis Components > Security – Read KBA 2985997 for subcomponents > Secure Store and Forward
PriorityCorrection with high priority
TypeSAP Security Note
Version3
StatusReleased for Customer
Released on14.12.2010

Description

Symptom

The ABAP reports SSF01, SSF02, and RSUSR402 allow passing arbitrary file names of the application server. Using these reports, an administrator might read or write all files belonging to the SAP application server. The function module SSFPSE_UPDATED allows deleting arbitrary files.

Solution

The correction restricts the reports to access files only on the frontend PC. The function module is restricted to PSE files.

Reason and prerequisites

Superfluous features

References

Affected components

  • SAP_APPL 31I
  • SAP_APPL 40B
  • SAP_APPL 45B
  • SAP_BASIS 46B to 46D
  • SAP_BASIS 610 to 640
  • SAP_BASIS 700 to 702
  • SAP_BASIS 710 to 730
  • SAP_BASIS 72L to 800

Full note on SAP: SAP Support Launchpad note 1521786

Detailed exploitation and proof-of-concept material for this note is maintained in the RedRays Security Platform. For access, contact [email protected].

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