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  1. Core ReactOS
  2. CORE-11509

Buffer overrun in NtQuerySymbolicLinkObject if LinkTarget not null-terminated

    Details

    • Type: Bug
    • Status: Resolved
    • Priority: Major
    • Resolution: Fixed
    • Fix Version/s: 0.4.2
    • Component/s: NTCore
    • Labels:
      None

      Description

      Running Wine Test, Module: kernel32, Test: dosdev
      (sdk/lib/rtl/path.c:682) RtlQueryEnvironmentVariable_U returned 0xc0000100
      (sdk/lib/rtl/path.c:682) RtlQueryEnvironmentVariable_U returned 0xc0000100
       
      *** Fatal System Error: 0x000000cd
                             (0xF3F65000,0x00000000,0x8095FD08,0x00000000)
       
      Driver at fault: 
       
      ***  NTOSKRNL.EXE - Address 8095FD08 base at 80800000, DateStamp 5774f8aa
       
      .
      
      Entered debugger on embedded INT3 at 0x0008:0x8093fa9c.
      kdb:>
       bt
      Eip:
      <NTOSKRNL.EXE:13fa9d (:0 (RtlpBreakWithStatusInstruction))>
      Frames:
      <NTOSKRNL.EXE:81dbd (ntoskrnl/ke/bug.c:1100 (KeBugCheckWithTf))>
      <NTOSKRNL.EXE:82394 (ntoskrnl/ke/bug.c:1456 (KeBugCheckEx))>
      <NTOSKRNL.EXE:a8e03 (ntoskrnl/mm/ARM3/pagfault.c:1848 (MmArmAccessFault))>
      <NTOSKRNL.EXE:d9aa3 (ntoskrnl/mm/mmfault.c:251 (MmAccessFault))>
      <NTOSKRNL.EXE:12469a (ntoskrnl/ke/i386/traphdlr.c:1278 (KiTrap0EHandler))>
      <NTOSKRNL.EXE:36ac (:0 (KiTrap0E))>
      <NTOSKRNL.EXE:15fd03 (:0 (memcpy))>
      <NTOSKRNL.EXE:f2501 (sdk/include/crt/mingw32/intrin_x86.h:76 (NtQuerySymbolicLinkObject))>
      <NTOSKRNL.EXE:1253a4 (ntoskrnl/include/internal/i386/ke.h:706 (KiSystemServiceHandler))>
      <NTOSKRNL.EXE:3da9 (:0 (KiFastCallEntry))>
      <ntdll.dll:c81d>
      <csrsrv.dll:29b2>
      <00000000>
      kdb:>

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              • Assignee:
                ThFabba Thomas Faber
                Reporter:
                ThFabba Thomas Faber
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                • Created:
                  Updated:
                  Resolved: