Bugzilla showvotes.cgi Cross-Site Scripting Vulnerability

BID:3264

Info

Bugzilla showvotes.cgi Cross-Site Scripting Vulnerability

Bugtraq ID: 3264
Class: Input Validation Error
CVE:
Remote: Yes
Local: No
Published: Aug 29 2001 12:00AM
Updated: Aug 29 2001 12:00AM
Credit: This vulnerability was submitted to BugTraq on August 29th, 2001 by David Miller <[email protected]>.
Vulnerable: Mozilla Bugzilla 2.12
Mozilla Bugzilla 2.10
Mozilla Bugzilla 2.8
- Microsoft Windows 95
- Microsoft Windows 95
- Microsoft Windows 95
- Microsoft Windows 95
- Microsoft Windows 95
- Microsoft Windows 98
- Microsoft Windows 98
- Microsoft Windows 98
- Microsoft Windows 98
- Microsoft Windows 98
- Microsoft Windows NT 3.5.1
- Microsoft Windows NT 3.5.1
- Microsoft Windows NT 4.0
 - Microsoft Windows NT 4.0
 - Microsoft Windows NT 4.0
 - Microsoft Windows NT 4.0
 - Microsoft Windows NT 4.0
 Mozilla Bugzilla 2.6
Mozilla Bugzilla 2.4
Not Vulnerable: Mozilla Bugzilla 2.14
- Redhat Linux 7.1
- Redhat Linux 7.1
- Redhat Linux 7.0
- Redhat Linux 7.0
- Redhat Linux 7.0
- Redhat Linux 7.0
- Redhat Linux 7.0

Discussion

Bugzilla showvotes.cgi Cross-Site Scripting Vulnerability

Bugzilla is a free, open source bug tracking and reporting appplication. It allows users to submit bugs, offers a forum for discussing bugs, keeps track of the status of bugs, and can restrict who has access to bug information.

An input validation problem exists in a Bugzilla(v2.12 and earlier) script. 'showvotes.cgi' does not strip HTML tags from requests. As a result, it is possible to submit a malicious link to a website which contains arbitrary script code. The script code will be executed in the browser of the user clicking the link, appearing to originate from the site that the malicious link was submitted to.

Variations of cross-site scripting attacks may occur as a result of this issue. Cookie-based authentication credentials may be affected, Bugzilla data may be modified remotely, etc.

Exploit / POC

Bugzilla showvotes.cgi Cross-Site Scripting Vulnerability

This issue can be exploited with a web browser.

Solution / Fix

Bugzilla showvotes.cgi Cross-Site Scripting Vulnerability

Solution:
Upgrades available:


Mozilla Bugzilla 2.10

Mozilla Bugzilla 2.12

Mozilla Bugzilla 2.8

References

Bugzilla showvotes.cgi Cross-Site Scripting Vulnerability

References:

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