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 3111110 was released on 08.03.2022 and deals with "[CVE-2022-26100] Denial of service (DOS) in SAPCAR" within SAPCAR. We advice you to follow the instructions, to resolve denial of service (dos) with a medium potential for exploitation in component BC-INS-TLS.

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

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

SAPCAR does not contain sufficient input validation on the SAPCAR archive, resulting in a denial of service

Solution

SAPCAR has been updated so that the invalid memory access and possible crash are now prevented by proper input validation. Once the invalid input is detected, SAPCAR exits immediately with an error message.

The advisory is valid for

SAP_CAR 7.22

Releated advisories

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 SAPCAR

CVSS 4.8

Component BC-INS-TLS

Patch Day2022-03

Released on2022/03/08

SAP Note 3111110

Workaround No

Advisory

Risk specification

Solution

Disclaimer

_{Affected system}
SAPCAR

_CVSS
4.8

_Component
BC-INS-TLS

_{Patch Day}
2022-03

_{Released
on}
2022/03/08

_{SAP Note}
3111110

_Workaround
No