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Vahagn Vardanian

Co-founder and CTO of RedRays

Number of cryptographic bits increased in sap-contextid, SAP security note 1435655

SAP Note 1435655SAP Security NoteHigh priority

SAP security note 1435655, "Number of cryptographic bits increased in sap-contextid", is a program error note released on April 13, 2010. Below are the symptom, SAP recommended solution and the affected software components.

ComponentBasis Components > Client/Server Technology > Internet Communication Manager (BC-CST-IC)
CategoryProgram error
PriorityCorrection with high priority
TypeSAP Security Note
Version1
StatusReleased for Customer
Released onApril 13, 2010
LanguageEnglish

Description

Symptom

The SAP security standard regarding the key length for the sap-contextid was not adhered to by the Application Server (AS) ABAP.

Solution

The algorithm for creating the sap-contextid has been changed to a powerful cryptographic random number generator, and the length of the random value has been increased.

Reason and prerequisites

You are using AS ABAP.

References

Affected components

  • SAP_BASIS: Version 720

Full note on SAP: SAP Support Launchpad note 1435655

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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