EJ3 TOPo - Cross Site Scripting Vulnerability

2006.03.01

Credit: Yunus Emre Yilmaz

Risk: Low

Local: No

Remote: Yes

CVE: CVE-2006-0984

CWE: CWE-79

CVSS Base Score: 4.3/10

Impact Subscore: 2.9/10

Exploitability Subscore: 8.6/10

Exploit range: Remote

Attack complexity: Medium

Authentication: No required

Confidentiality impact: None

Integrity impact: Partial

Availability impact: None

- Advisory: EJ3 TOPo Cross Site Scripting Vulnerability
- Author: Yunus Emre Yilmaz || Yns [mail (at) yunusemreyilmaz (dot) com [email concealed]]

- Application: EJ3 TOPo ( http://ej3soft.ej3.net )
- Affected Version : v2.2.178 ( maybe older versions..)
- Risk : Critical

? Details : If an attacker access /code/inc_header.php directly , he can bypass $gTopNomBer variable.(Register_globals must be ?on?)

Problem is about not defining or filtering the variable.

? Proof Of Concept : access /code/inc_header.php like
inc_header.php?gTopNombre=?><script>alert(document.cookie)</script>

and print user?s cookie.So an attacker can escape admin?s cookie.

? Release Date: 2006/02/28
? Contacted to vendor : 2006/02/28

See this note in RAW Version

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EJ3 TOPo - Cross Site Scripting Vulnerability

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