Remote code execution in SAP Web Dispatcher

1) Buffer overflow

EUVDB-ID: #VU78729

Risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2023-35871

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error when processing requests. A remote non-authenticated attacker can send specially crafted request to the application, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

SAP Web Dispatcher Kernel: 7.53 - 7.93

SAP Web Dispatcher WEBDISP: 7.53 - 7.93

CPE2.3

• cpe:2.3:a:sap:sap_web_dispatcher_kernel:7.53:*:*:*:*:*:*:*
• cpe:2.3:a:sap:sap_web_dispatcher_kernel:7.54:*:*:*:*:*:*:*
• cpe:2.3:a:sap:sap_web_dispatcher_kernel:7.77:*:*:*:*:*:*:*
• cpe:2.3:a:sap:sap_web_dispatcher_webdisp:7.53:*:*:*:*:*:*:*
• cpe:2.3:a:sap:sap_web_dispatcher_webdisp:7.54:*:*:*:*:*:*:*
• cpe:2.3:a:sap:sap_web_dispatcher_webdisp:7.77:*:*:*:*:*:*:*

External links

https://dam.sap.com/mac/app/e/pdf/preview/embed/ucQrx6G?ltr=a&rc=10&july2023

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.