#VU80689 UNIX symbolic link following in SAP BusinessObjects Business Intelligence suite - CVE-2023-40623

Vulnerability identifier: #VU80689

Vulnerability risk: Low

CVSSv4.0: 1.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-40623

CWE-ID: CWE-61

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
SAP BusinessObjects Business Intelligence suite
Server applications / Other server solutions

Vendor: SAP

Description

The vulnerability allows a remote user to delete arbitrary files on the system.

The vulnerability exists due to a symlink following issue in SAP BusinessObjects Suite Installer. A remote user on the local network can create a folder in application's temporary directory and link it to a critical directory on the system. As a result, the application will remove the linked directory, which can lead to integrity and data availability issues.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

SAP BusinessObjects Business Intelligence suite: 4.2 - 4.3

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External links
https://www.sap.com/documents/2022/02/fa865ea4-167e-0010-bca6-c68f7e60039b.html?september2023

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.