Advisory

SAP takes the security of its vast product portfolio very seriously and thus releases security fixes for vulnerabilities reported by external researchers and their customers every second Tuesday of the month.

SAP Note 3123427 was released on 08.02.2022 and deals with "[CVE-2022-22532] HTTP Request Smuggling in SAP NetWeaver Application Server Java" within Kernel. We advice you to follow the instructions, to resolve http request smuggling denial of service (dos) with a high potential for exploitation in component BC-CST-IC.

According to SAP Security Advisory team a workaround does not exist. It is advisable to implement the correction as part of maintenance.

Risk specification

This note has been re-released with updated ‘Support Packages & Patches’ information. SAP NetWeaver Application Server Java allows unauthenticated attacker to craft a malicious HTTP server requests triggering improper shared buffer handling resulting in execution of malicious code, hijacking a user session or forcing the system to shutdown due to overload.

Solution

The memory handling of SAP NetWeaver Application Server Java was hardened

The advisory is valid for

Disclaimer

SecurityBridge takes the security of SAP products very seriously. We very much encourage the responsible disclosure of security vulnerabilities. If you have detected a vulnerability concerning one of the SAP software products – either in the latest or in a former product version follow the guidelines and processes in accordance with the SAP portal page “Report a Security Vulnerability to SAP”.

The advisories found within the SecurityBridge advisory are generated and continuously enriched by our Team at SecurityBridge and affiliated security consultants, partners, customers of the SecurityBridge Platform, SAP support, and advisory groups.

We do not disclose zero-day vulnerabilities unless a security patch has been made available to the public. In such case, the platform only provides details on which version or signature updates are available within the SecurityBridge platform in order to monitor or measure the vulnerability.

In accordance with SAP guidelines, SecurityBridge only discloses issues where the fixing security note has been released. The vulnerability platform makes no references to available exploits or Proof of Concepts (PoC). Advisories and vulnerabilities will always mention the fixing security note or hints to the corresponding SAP documentation.

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Notifications

Affected system Kernel

CVSS 8.1

Component BC-CST-IC

Patch Day2022-02

Released on2022/02/08

SAP Note 3123427

Workaround No

Advisory

Risk specification

Solution

Disclaimer

_{Affected system}
Kernel

_CVSS
8.1

_Component
BC-CST-IC

_{Patch Day}
2022-02

_{Released
on}
2022/02/08

_{SAP Note}
3123427

_Workaround
No