[ SQL-injection in Invision Power Board 2.x ]

MaxPatrol Security Advisory 11.18.04

November 18, 2004

Release Date: November 18, 2004

Date Reported: November 12, 2004

Severity: High

Application: Invision Power Board v2.x

Affects versions: IPB 2.0.0, IPB 2.0.1 and IPB 2.0.2.

Platform: PHP

I. DESCRIPTION

An input validation vulnerability was reported in Invision Power Board v2.x. A remote user can conduct SQL injection attack.

Example:

http://site/forum/index.php?act=Post&CODE=02&f=2&t=1&qpid=1[sql_injectio
n]

Result:

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mySQL query error: select p.*,t.forum_id FROM ibf_posts p LEFT JOIN ibf_topics t ON (t.tid=p.topic_id)

WHERE pid IN (1[sql_injection])

mySQL error: You have an error in your SQL syntax near '[sql_injection])' at line 2

mySQL error code:

Date: Friday 12th of November 2004 06:53:25 PM

------------------------------------------------------------------------
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This vulnerability found automatically by full-featured commercial version of MaxPatrol.

II. IMPACT

A remote user may be able to execute arbitrary SQL commands on the underlying database.

III. SOLUTION

To update your IPB 2.x board, simply download security update file, expand and upload "sources/post.php" over the one on your installation.

IV. VENDOR FIX/RESPONSE

Vulnerability is fixed.

Security update:

http://forums.invisionpower.com/index.php?showtopic=154916

http://forums.invisionpower.com/index.php?act=Attach&type=post&id=4992

V. CREDIT

This vulnerability was discovered by Positive Technologies using MaxPatrol

(www.maxpatrol.com) - intellectual professional security scanner. It is able

to detect a substantial amount of vulnerabilities not published yet.

MaxPatrol's intelligent algorithms are also capable to detect a lot of

vulnerabilities in custom web-scripts (XSS, SQL and code injections, HTTP

Response splitting).

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