Security Advisory SA25656 - YaBB CRLF Injection Privilege Escalation Vulnerability

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Secunia Advisory SA25656

YaBB CRLF Injection Privilege Escalation Vulnerability

Secunia Advisory

SA25656

Release Date

2007-06-13

Last Update

2007-06-15

Popularity

9,699 views

Comments

0 comments

Criticality level

Highly critical

Impact

Privilege escalation

Where

From remote

Authentication level

This information is available to Secunia VIM customers

Report reliability

This information is available to Secunia VIM customers

Solution Status

Vendor Patch

Systems affected

This information is available to Secunia VIM customers

Approve distribution

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Software:

YaBB 2.x

Secunia CVSS Score

This information is available to Secunia VIM Customers

CVE Reference(s)

CVE-2007-3208 CVSS score available to Secunia VIM customers

Description

A vulnerability has been reported in YaBB, which can be exploited by malicious users and malicious people to gain escalated privileges.

Input passed to certain profile form fields is not properly sanitised before being written to the profile data (.vars) file for a user. This can be exploited to inject special characters and gain forum administrator privileges.

This can further be exploited to execute arbitrary Perl code by modifying the forum templates.

The vulnerability is reported in version 2.1. Other versions may also be affected.

Solution
Apply patch.
Further details available to Secunia VIM customers

Provided and/or discovered by
Peter Vreugdenhil, reported via iDefense.

Changelog
Further details available to Secunia VIM customers

Original Advisory
http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=538

Deep Links
Links available to Secunia VIM customers

Do you have additional information related to this advisory?

Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: YaBB CRLF Injection Privilege Escalation Vulnerability

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Secunia Advisory SA25656

YaBB CRLF Injection Privilege Escalation Vulnerability

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