Changeset 72097 in vbox

Timestamp:

May 3, 2018 4:11:38 PM (6 years ago)

Author:

vboxsync

Message:

Guest Control/VBoxService: Added additional size check in vgsvcGstCtrlSessionHandleFileWrite().

File:

• trunk/src/VBox/Additions/common/VBoxService/VBoxServiceControlSession.cpp (modified) (1 diff)

trunk/src/VBox/Additions/common/VBoxService/VBoxServiceControlSession.cpp

@@ -390 +390 @@
     if (RT_SUCCESS(rc))
     {
+        /* Make sure that we only write up to cbScratchBuf bytes. */
+        if (cbToWrite > (uint32_t)cbScratchBuf)
+            cbToWrite = (uint32_t)cbScratchBuf;
+
         size_t cbWritten = 0;
         PVBOXSERVICECTRLFILE pFile = vgsvcGstCtrlSessionFileGetLocked(pSession, uHandle);