Mantis BugTracker 1.2.17 multiple security vulnerabilities.

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- Affected Vendor: Mantis 
- Affected System: BugTracker 1.2.17
- Vulnerabilities' Status: Fixed

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- Associated CWEs:

CWE-79: Failure to Preserve Web Page Structure ('Cross-site Scripting')
CWE-601: URL Redirection to Untrusted Site ('Open Redirect')
CWE-804: Guessable CAPTCHA

https://cwe.mitre.org/data/definitions/79.html
https://cwe.mitre.org/data/definitions/601.html
https://cwe.mitre.org/data/definitions/804.html

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DESCRIPTIONS
============
1)      CVE-2014-6316
The url passed as a parameter is not correctly sanitized, thus allowing
a malicious individual to redirect a user to an arbitrary website. 
e.g. https://example.com/login_page.php?return=https://google.com will 
redirect to Google.

Affected versions:
=> 1.2.0a3, <= 1.2.17

Fixed in versions:
1.2.18

2)      CVE-2014-8987
The MantisBT Configuration Reporte page (adm_config_report.php) does not correctly
sanitize input before displaying it on the page, thus allowing a malicious individual to execute
arbitrary JavaScript code.

Affected versions:
>= 1.2.13, <= 1.2.17

Fixed in versions:
1.2.18

3)      CVE-2014-9117
The CAPTCHA system used within the registration functionality of the application
uses a predictable routine, thus allowing a malicious individual to potentially perform a denial of service
by creating new accounts and exhausting the server's resources.

Affected versions:
<= 1.2.17

Fixed in versions:
1.2.18

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- Available fix:
Mantis BugTracker 1.2.18

- Related Links: Deloitte Argentina - www.deloitte.com/ar

- Feedback:
  If you have any questions, comments, concerns, updates or suggestions please contact:
   + Alejo Popovici
     apopovici@deloitte.com  (Twitter: @alex91ar)

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Credits:

CVE-2014-6316:
Redirection in login_page.php was first reported [3] by Mathias Karlsson 
(https://mathiaskarlsson.me) as part of Offensive Security's bug bounty 
program [4]; issue was also independently discovered and reported by 
Ryan Giobbi who made the original CVE request [2], Shahee Mirza [5] and 
Alejo Popovici (apopovici@deloitte.com) [6].

Paul Richards also found another redirection issue in 
permalink_page.php, which turned out to have the same root cause.

The issue was fixed by Damien Regad (MantisBT Developer).

CVE-2014-8987:
Issue was discovered by Alejo Popovici (apopovici@deloitte.com) and fixed by Damien Regad 
(MantisBT Developer)

CVE-2014-9117:
Issue was discovered by Alejo Popovici (apopovici@deloitte.com) and fixed by Victor Boctor 
(MantisBT Developer)

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