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Driver: PsTree: Check service name's length

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Nodir Temirkhodjaev 2022-01-14 11:31:07 +03:00
parent 4e4f0b5efd
commit f85c215529
1 changed files with 22 additions and 2 deletions
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24
src/driver/fortps.c
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@ -5,6 +5,22 @@
#include "fortcb.h"
#include "fortutl.h"
#define FORT_PSTREE_NAME_LEN_MAX (64 * sizeof(WCHAR))
typedef struct fort_psnode
{
UINT16 next_index;
UINT16 prev_index;
UINT16 parent_index;
UINT16 child_index;
UINT16 name_index;
UINT16 flags;
UINT32 process_id;
} FORT_PSNODE, *PFORT_PSNODE;
static BOOL fort_pstree_svchost_check(
PCUNICODE_STRING path, PCUNICODE_STRING commandLine, PUNICODE_STRING serviceName)
{
@ -32,8 +48,12 @@ static BOOL fort_pstree_svchost_check(
endp = (PCWCHAR) ((PCHAR) commandLine->Buffer + commandLine->Length);
}
serviceName->Length = (USHORT) ((PCHAR) endp - (PCHAR) argp);
serviceName->MaximumLength = serviceName->Length;
const USHORT nameLen = (USHORT) ((PCHAR) endp - (PCHAR) argp);
if (nameLen >= FORT_PSTREE_NAME_LEN_MAX)
return FALSE;
serviceName->Length = nameLen;
serviceName->MaximumLength = nameLen;
serviceName->Buffer = argp;
return TRUE;