Medium Severity
Affected system
SAP Host AgentKernel
CVSS
5.3
Component
BC-CST-MS
Patch Day
2022-05
Released on
2022/05/10
SAP Note
3145702
Workaround
No
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Advisory

A note with CVSS 5.3 for component BC-CST-MS was released by SAP on 10.05.2022. The correction/advisory 3145702 was described with "[CVE-2022-29616] Memory Corruption vulnerability in SAP Host Agent, SAP NetWeaver and ABAP Platform" and affects the system type SAP Host AgentKernel.

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

The vulnerability addressed is denial of service (dos) within SAP Host AgentKernel.

Denial of Service (DoS) attacks that take a system offline may lead to significant cost for the company, studies quantify the costs in average between 4 and 5 millions dollars. Business continuity requires SAP systems staying online. The CVSS scores or vulnerability descriptions are not enough to represent how a simple bug can lead to a significant loss for companies.

Risk specification

SAP Host Agent, SAP NetWeaver and ABAP Platform, allow an unauthenticated attacker to leverage logical errors in memory management to cause memory corruption which impacts service availability.

Solution

The Out-of-bounds write access is prevented by checking the value length to be a positive integer. Customer needs to get msg_server from scs.sar and sapstartsrv either from scs.sar, sapwebdisp.sar or sapexe.sar. Also an update to the newest SAP Host Agent is necessary.

 

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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.

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