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 3311624 was released on 11.04.2023 and deals with "[CVE-2023-29187] DLL Hijacking vulnerability in SapSetup (Software Installation Program)" within SAP GUI / Frontend. We advice you to follow the instructions, to resolve os command injection with a medium potential for exploitation in component BC-FES-INS.

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

Risk specification

An attacker with Windows user authorization can exploit a DLL hijacking attack in SapSetup, resulting in a privilege escalation, running code as an administrator on the same machine.

Solution

SapSetup now loads the DLL from a directory, where only the administrative Windows user has write access.

The advisory is valid for

LMSAPSETUP 9.0 ²

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 SAP GUI / Frontend

CVSS 6.7

Component BC-FES-INS

Patch Day2023-04

Released on2023/04/11

SAP Note 3311624

Workaround No

Advisory

Risk specification

Solution

Disclaimer

_{Affected system}
SAP GUI / Frontend

_CVSS
6.7

_Component
BC-FES-INS

_{Patch Day}
2023-04

_{Released
on}
2023/04/11

_{SAP Note}
3311624

_Workaround
No