Paper/Archive/CVE-2023-33987

CVE-2023-33987

SAP_SE SAP Web Dispatcher — Request smuggling and request concatenation in SAP Web Dispatcher

Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
SAP Web DispatcherWEBDISP 7.49–CNA
SAP Web DispatcherWEBDISP 7.53–CNA
SAP Web DispatcherWEBDISP 7.54–CNA
SAP Web DispatcherWEBDISP 7.77–CNA
SAP Web DispatcherWEBDISP 7.81–CNA
SAP Web DispatcherWEBDISP 7.85–CNA
SAP Web DispatcherWEBDISP 7.88–CNA
SAP Web DispatcherWEBDISP 7.89–CNA
SAP Web DispatcherWEBDISP 7.90–CNA
SAP Web DispatcherKERNEL 7.49–CNA
SAP Web DispatcherKERNEL 7.53–CNA
SAP Web DispatcherKERNEL 7.54 KERNEL 7.77–CNA

Scores by source

NVD9.4CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L
sap (CNA)8.6CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

refme.sap.com/notes/3233899refsap.com/documents/2022/02/fa865ea4-167e-0010-bca6-c68f7e60039b.html