Blackboard multiple tags cross-site scripting
| blackboard-multiple-xss (28537) |  Medium Risk |
Description:
Blackboard Academic Suite, Blackboard Learning System, and Blackboard Community System are vulnerable to cross-site scripting, caused by improper validation of user-supplied input. A remote attacker could exploit this vulnerability to inject malicious script into a Web page which would be executed in a victim's Web browser within the security context of the hosting Web site, once the page is viewed. An attacker could use this vulnerability to steal the victim's cookie-based authentication credentials.
*CVSS:
| Base Score: | 4.2 |
| Access Vector: | Remote |
| Access Complexity: | High |
| Authentication: | Not Required |
| Confidentiality Impact: | Partial |
| Integrity Impact: | Partial |
| Availability Impact: | None |
| Temporal Score: | 3.7 |
| Exploitability: | High |
| Remediation Level: | Official-Fix |
| Report Confidence: | Confirmed |
Consequences:
Gain Access
Remedy:
Upgrade to the latest patched version of Blackboard Academic Suite (version 7.1.x or later), available from the Blackboard Web site. See References.
References:
- BugTraq Mailing List, Tue Aug 22 2006 - 16:40:43 CDT : BlackBoard Multiple Vulnerabilities (XSS).
- BugTraq Mailing List, Wed Aug 23 2006 - 08:19:19 CDT : Re: BlackBoard Multiple Vulnerabilities (XSS).
- BID-19308: Blackboard Products Multiple HTML Injection Vulnerabilities
- CVE-2006-4308: 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.
- SA21577: BlackBoard Learning System Script Insertion Vulnerability
- SECTRACK ID: 1016735: Blackboard Input Validation Hole in Filtering Javascript Permits Cross-Site Scripting Attacks
- VUPEN/ADV-2006-3366: BlackBoard Learning System Posts Handling Client-Side Cross Site Scripting Vulnerability
Platforms Affected:
- Apple Mac OS X 10.2
- Apple Mac OS X 10.3
- Blackboard Blackboard Academic Suite 6.2.3.23
- Blackboard Blackboard Academic Suite 7.1.x
- Blackboard Blackboard Community System Release 6
- Blackboard Blackboard Learning System Release 6
Reported:
Aug 22, 2006
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For corrections or additions please email xforce@iss.net
* According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an "industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response." IBM PROVIDES THE CVSS SCORES "AS IS" WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.
The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.