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phpBB Multiple Vulnerabilities
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Secunia Advisory:
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SA17366
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Release Date:
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2005-10-31
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Last Update:
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2005-12-22
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Critical:
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Highly critical
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Impact:
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Security Bypass
Cross Site Scripting
Manipulation of data
System access
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Where:
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From remote
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Solution Status:
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Vendor Patch
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| Software: | phpBB 2.x
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| | CVE reference: | CVE-2005-3415 (Secunia mirror)
CVE-2005-3416 (Secunia mirror)
CVE-2005-3417 (Secunia mirror)
CVE-2005-3418 (Secunia mirror)
CVE-2005-3419 (Secunia mirror)
CVE-2005-3420 (Secunia mirror)
CVE-2005-3536 (Secunia mirror)
CVE-2005-3537 (Secunia mirror)
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Description:
Some vulnerabilities have been reported in phpBB, which can be exploited by malicious people to conduct cross-site scripting and SQL injection attacks, bypass certain security restrictions, and compromise a vulnerable system.
1) Some errors where global variables defined by the user is not properly unset can be exploited in combination with certain input validation errors to execute arbitrary HTML and script code in a user's browser session in context of an affected site. This can also be exploited to manipulate SQL queries by injecting arbitrary SQL code and inject and execute arbitrary PHP code.
Successful exploitation requires that "register_globals" is enabled and that the server runs PHP 5.
The vulnerabilities have been reported in version 2.0.17 and prior.
2) An error in the removing of orphaned entries can be exploited by non moderators to delete shadow topic links.
Successful exploitation requires knowledge of the topic ID for a "shadow topic" entry.
3) An error in the handling of logout requests can be exploited to logout users who views a malicious post containing an "img" BBcode tag referencing a specially crafted URL.
Some other issues which may be security related have also been reported by the vendor.
Solution:
Update to version 2.0.18.
http://www.phpbb.com/downloads.php
Provided and/or discovered by:
1) Stefan Esser, Hardened-PHP Project
2-3) Reported by vendor
Changelog:
2005-11-14: Vendor releases information about additional vulnerabilities. Updated "Description" and "Provided and/or discovered by" sections.
2005-12-22: Added CVE references and updated "Description" section.
Original Advisory:
1) http://www.hardened-php.net/advisory_172005.75.html
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
Secunia collects, validates, and verifies all vulnerability reports issued by security research groups, vendors, and others.
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37 Related Secunia Security Advisories, displaying 10
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1. phpBB Private Message Deletion Cross-Site Request Forgery
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2. phpBB privmsg.php Cross-Site Request Forgery and Cross-Site Scripting
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3. phpBB "avatar_path" PHP Code Execution Vulnerability
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4. phpBB "Upload Avatar from a URL" Weakness and PHP Code Execution
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5. phpBB "cur_password" Cross-Site Scripting Vulnerability
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6. phpBB "gen_rand_string()" Predictable RNG Weakness
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7. phpBB "Referer" Header Session ID Disclosure
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8. phpBB "url" bbcode Script Insertion Vulnerability
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9. phpBB "Allow HTML" Script Insertion Security Issue
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10. phpBB Avatar Script Insertion Vulnerability
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