PHP tempname()º¯ÊýÈÆ¹ýsafe_mode°²È«ÏÞÖÆÂ©¶´
	
    
    
	BUGTRAQ  ID: 36555
CVE ID: CVE-2009-3557
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PHPµÄtempnam()ÖеĴíÎó¿ÉÄÜÔÊÐíÈÆ¹ýsafe_modeÏÞÖÆ¡£ÒÔÏÂÊÇext/standard/file.cÖеÄÓЩ¶´´úÂë¶Î£º
PHP_FUNCTION(tempnam)
{
char *dir, *prefix;
int dir_len, prefix_len;
size_t p_len;
char *opened_path;
char *p;
int fd;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ss", &dir, &dir_len,
&prefix, &prefix_len) == FAILURE) {
return;
}
if (php_check_open_basedir(dir TSRMLS_CC)) { [1] 
RETURN_FALSE;
}
php_basename(prefix, prefix_len, NULL, 0, &p, &p_len TSRMLS_CC);
if (p_len > 64) {
p[63] = '\0';mud pump
}
if ((fd = php_open_temporary_fd(dir, p, &opened_path TSRMLS_CC)) >= 0) {
close(fd);
RETVAL_STRING(opened_path, 0);
}
efree(p);
}
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http://securityreason.com/securityalert/6601
http://secunia.com/advisories/37412/
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SEBUG°²È«½¨Òé:
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PHP
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http://svn.php.net/viewvc/php/php-src/branches/PHP_5_2/ext/standard/file.c?view=log
http://svn.php.net/viewvc/php/php-src/branches/PHP_5_3/ext/standard/file.c?view=log
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