CVE-2023-33987 is a vulnerability in SAP Web Dispatcher
Published on July 11, 2023
An unauthenticated attacker in SAP Web Dispatcher - versions WEBDISP 7.49, WEBDISP 7.53, WEBDISP 7.54, WEBDISP 7.77, WEBDISP 7.81, WEBDISP 7.85, WEBDISP 7.88, WEBDISP 7.89, WEBDISP 7.90, KERNEL 7.49, KERNEL 7.53, KERNEL 7.54 KERNEL 7.77, KERNEL 7.81, KERNEL 7.85, KERNEL 7.88, KERNEL 7.89, KERNEL 7.90, KRNL64NUC 7.49, KRNL64UC 7.49, KRNL64UC 7.53, HDB 2.00, XS_ADVANCED_RUNTIME 1.00, SAP_EXTENDED_APP_SERVICES 1, can submit a malicious crafted request over a network to a front-end server which may, over several attempts, result in a back-end server confusing the boundaries of malicious and legitimate messages. This can result in the back-end server executing a malicious payload which can be used to read or modify information on the server or make it temporarily unavailable.
Vulnerability Analysis
CVE-2023-33987 can be exploited with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. It has the highest possible exploitability rating (3.9). The potential impact of an exploit of this vulnerability is considered to have a high impact on confidentiality and integrity, and a small impact on availability.
What is a HTTP Request Smuggling Vulnerability?
When malformed or abnormal HTTP requests are interpreted by one or more entities in the data flow between the user and the web server, such as a proxy or firewall, they can be interpreted inconsistently, allowing the attacker to "smuggle" a request to one device without the other device being aware of it.
CVE-2023-33987 has been classified to as a HTTP Request Smuggling vulnerability or weakness.
Products Associated with CVE-2023-33987
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What versions of Web Dispatcher are vulnerable to CVE-2023-33987?
- SAP Web Dispatcher Version 7.53
- SAP Web Dispatcher Version 7.77
- SAP Web Dispatcher Version 7.81
- SAP Web Dispatcher Version 7.49
- SAP Web Dispatcher Version 7.85
- SAP Web Dispatcher Version 7.89
- SAP Web Dispatcher Version krnl64uc_7.53
- SAP Web Dispatcher Version krnl64nuc_7.49
- SAP Web Dispatcher Version kernel_7.49
- SAP Web Dispatcher Version kernel_7.53
- SAP Web Dispatcher Version kernel_7.54
- SAP Web Dispatcher Version kernel_7.77
- SAP Web Dispatcher Version kernel_7.81
- SAP Web Dispatcher Version kernel_7.85
- SAP Web Dispatcher Version kernel_7.89
- SAP Web Dispatcher Version kernel_7.88
- SAP Web Dispatcher Version kernel_7.90
- SAP Web Dispatcher Version 7.54
- SAP Web Dispatcher Version 7.88
- SAP Web Dispatcher Version 7.90
- SAP Web Dispatcher Version krnl64uc_7.49
- SAP Web Dispatcher Version hdb_2.00
- SAP Web Dispatcher Version xs_advanced_runtime_1.00
- SAP Web Dispatcher Version sap_extended_app_services_1