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Advisory Name: SQL injection in FreePBX 2.5.1
Internal Cybsec Advisory Id: 2010-0103
Vulnerability Class: SQL injection
Release Date: 15/01/2010
Affected Applications: Confirmed in FreePBX 2.5.1. Other versions may also be affected.
Affected Platforms: Any running FreePBX 2.5.1
Local / Remote: Remote
Severity: Medium – CVSS 6.3 (AV:N/AC:M/Au:S/C:C/I:N/A:N)
Researcher: Ivan Huertas
Vendor Status: To be confirmed
Reference to Vulnerability Disclosure Policy: http://www.cybsec.com/vulnerability_policy.pdf
A vulnerability has been discovered in FreePBX, which can be exploited by malicious people to conduct SQL injection attacks.
Input passed via the "extdisplay" parameter to config.php is not properly sanitized before being used in a SQL query. This can be exploited to manipulate SQL queries by injecting arbitrary SQL code.
The vulnerability is confirmed in version 2.5.1 Other versions may also be affected.
Proof of Concept:
Execute arbitrary SQL queries.
2009-30-12 – Vulnerability was identified
2010-01-07 – Vendor contacted
2010-01-15 – Vulnerability published
Patches were available before the vulnerability was discovered.
For more information regarding the vulnerability feel free to contact the
ihuertas<at> cybsec <dot> com
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