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Bug #48913 Too long error code strings in pdo_odbc driver
Submitted: 2009-07-14 12:06 UTC Modified: 2009-07-15 02:36 UTC
From: naf at altlinux dot ru Assigned:
Status: Closed Package: PDO related
PHP Version: 5.3CVS-2009-07-14 (snap) OS: *
Private report: No CVE-ID: None
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From: naf at altlinux dot ru
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 [2009-07-14 12:06 UTC] naf at altlinux dot ru
In odbc_stmt.c, in functions odbc_stmt_set_param(), line 766 and 
odbc_stmt_get_attr(), line 798, error code "IM0001" is placed in the 
(pdo_odbc_stmt *)S->einfo.last_state.

The length of this error code string ("IM0001") is 7 bytes, but 
last_state field declared as (php_pdo_odbc_int.h, line 121):
char last_state[6].

So buffer overflow will happen when executing
'strcpy(S->einfo.last_state, "IM0001")'.

Comparing to other PDO drivers it seems that error code should be 5 
char in length, i.e. "IM001".


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 [2009-07-15 02:36 UTC]
This bug has been fixed in CVS.

Snapshots of the sources are packaged every three hours; this change
will be in the next snapshot. You can grab the snapshot at
Thank you for the report, and for helping us make PHP better.

Fixed in 5.2, 5.3 and HEAD. Thanks.
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