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Vahagn Vardanian

Co-founder and CTO of RedRays

Denial of service (DOS) in SAP Netweaver AS ABAP, SAP security note 2430022

SAP Note 2430022
SAP Security Note
Medium priority

SAP security note 2430022, "Denial of service (DOS) in SAP Netweaver AS ABAP", is released on June 13, 2017. Below are the symptom and SAP recommended solution.

ComponentBasis Components > Client/Server Technology (BC-CST)
PriorityCorrection with medium priority
TypeSAP Security Note
StatusReleased for Customer
Released onJune 13, 2017

Description

Symptom

An attacker can exploit this vulnerability by sending specially crafted requests to the application server, causing misbehavior such as crashes or flooding. This results in:

  • Long response delays and service interruptions
  • Direct impact on system availability

Solution

To mitigate this vulnerability:

  • Upgrade the Kernel: Update to the kernel version that includes the fix. The specific kernel versions fixed are detailed in the note. For example, SAP KERNEL 7.49 64-BIT UNICODE: Support Package SP210; SAP KERNEL 7.45 64-BIT: Support Package SP414.
  • Error Handling Improvements: The update enhances error handling to prevent deadlocks caused by malicious requests.

CVSS

Score 6.5

Full note on SAP: SAP Support Launchpad note 2430022

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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