Improper access restriction in SAP Web Dispatcher IP filter

1) Improper restriction of communication channel to intended endpoints

EUVDB-ID: #VU75157

Risk: Medium

CVSSv3.1: 4.2 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-29108

CWE-ID: CWE-923 - Improper Restriction of Communication Channel to Intended Endpoints

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to improper handling of IP netmask in the IP filter. A remote attacker can gain unauthorized access to the application.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

SAP Web Dispatcher WEBDISP: 7.85 - 7.89

SAP Web Dispatcher Kernel: 7.85 - 7.91

External links

http://launchpad.support.sap.com/#/notes/3315312
http://www.sap.com/documents/2022/02/fa865ea4-167e-0010-bca6-c68f7e60039b.html

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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