phpmpsV2.3 用户cookies伪造漏洞 | wooyun-2013-021363

漏洞概要关注数(24) 关注此漏洞

缺陷编号：

wooyun-2013-021363

漏洞标题：

phpmpsV2.3 用户cookies伪造漏洞

漏洞详情

披露状态：

2013-04-08：积极联系厂商并且等待厂商认领中，细节不对外公开
2013-07-07：厂商已经主动忽略漏洞，细节向公众公开

简要描述：

只是提个醒

详细说明：

问题出在member.php
.................../**/省略无关代码./**/
require dirname(__FILE__) . '/include/common.php';
if($CFG['uc'])require PHPMPS_ROOT . 'include/uc.inc.php';
require PHPMPS_ROOT . 'include/json.class.php';
require PHPMPS_ROOT . 'include/pay.fun.php';
.................../**/省略无关代码./**/
if(empty($_userid)) { '判断userid
    if (!in_array($act, $not_login)) {
        if (in_array($act, $must_login)) {
            showmsg('请先登录', 'member.php?act=login&refer='.$PHP_URL);
        } else {
			showmsg('请不要提交非法请求！');
		}
    }
}
.................../**/省略无关代码./**/
查看include/common.php
if(!get_magic_quotes_gpc()) {
	if (!empty($_GET))$_GET  = addslashes_deep($_GET);
    if (!empty($_POST))$_POST = addslashes_deep($_POST);
    $_COOKIE   = addslashes_deep($_COOKIE);
    $_REQUEST  = addslashes_deep($_REQUEST);
}
'get_magic_quotes_gpc  ╮(╯▽╰)╭
.................../**/省略无关代码./**/
'关键的部分
$_userid = 0; '初始化 
$_username = '';
$uid = $_SESSION['userid'] ? $_SESSION['userid'] : $_COOKIE['userid']; ‘cookie 你懂的啦~
if(!empty($uid)) {
	$user_info = $db->getRow("select userid,username,lastposttime,status from {$table}member where userid='$uid' ");
	if($user_info) {
		$_userid = $user_info['userid'];
		$_username = $user_info['username'];
		$_lastposttime = $user_info['lastposttime'];
		$_status = $user_info['status'];
	}
}
userid=1 ~

漏洞证明：

问题出在member.php
.................../**/省略无关代码./**/
require dirname(__FILE__) . '/include/common.php';
if($CFG['uc'])require PHPMPS_ROOT . 'include/uc.inc.php';
require PHPMPS_ROOT . 'include/json.class.php';
require PHPMPS_ROOT . 'include/pay.fun.php';
.................../**/省略无关代码./**/
if(empty($_userid)) { '判断userid
    if (!in_array($act, $not_login)) {
        if (in_array($act, $must_login)) {
            showmsg('请先登录', 'member.php?act=login&refer='.$PHP_URL);
        } else {
			showmsg('请不要提交非法请求！');
		}
    }
}
.................../**/省略无关代码./**/
查看include/common.php
if(!get_magic_quotes_gpc()) {
	if (!empty($_GET))$_GET  = addslashes_deep($_GET);
    if (!empty($_POST))$_POST = addslashes_deep($_POST);
    $_COOKIE   = addslashes_deep($_COOKIE);
    $_REQUEST  = addslashes_deep($_REQUEST);
}
'get_magic_quotes_gpc  ╮(╯▽╰)╭
.................../**/省略无关代码./**/
'关键的部分
$_userid = 0; '初始化 
$_username = '';
$uid = $_SESSION['userid'] ? $_SESSION['userid'] : $_COOKIE['userid']; ‘cookie 你懂的啦~
if(!empty($uid)) {
	$user_info = $db->getRow("select userid,username,lastposttime,status from {$table}member where userid='$uid' ");
	if($user_info) {
		$_userid = $user_info['userid'];
		$_username = $user_info['username'];
		$_lastposttime = $user_info['lastposttime'];
		$_status = $user_info['status'];
	}
}
userid=1 ~

修复方案：

$uid = $_SESSION['userid'] ? $_SESSION['userid']

版权声明：转载请注明来源 knife@乌云

漏洞回应

厂商回应：

未能联系到厂商或者厂商积极拒绝

漏洞Rank：10 (WooYun评价)

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漏洞概要 关注数(24) 关注此漏洞