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    CVE-2006-4758

    phpBB 2.0.21 does not properly handle pathnames ending in %00, which allows remote authenticated administrative users to upload arbitrary files, as demonstrated by a query to admin/admin_board.php with an avatar_path parameter ending in .php%00.

    Published:Sep 13, 2006
    Last Modified:Apr 16, 2026
    EPS:Sep 13, 2006
    EPSS Score:0.02839
    CVSS Score:4.6

    Affected Products

    Vendor
    Phpbb Group
    Product
    Phpbb

    Exploits

    http://www.security.nnov.ru/Odocument221.htmlhttp://www.security.nnov.ru/Odocument221.html

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2007-1695 (CVSS 10) — PHP remote file inclusion vulnerability in includes/usercp_register.php in phpBB 2.0.19 allows remote attacker…
    CVE-2006-2219 (CVSS 5) — phpBB 2.0.20 does not verify user-specified input variable types before being passed to type-dependent functio…
    CVE-2006-6840 (CVSS 10) — Unspecified vulnerability in phpBB before 2.0.22 has unknown impact and remote attack vectors related to a "ne…
    CVE-2006-6841 (CVSS 10) — Certain forms in phpBB before 2.0.22 lack session checks, which has unknown impact and remote attack vectors.…
    CVE-2006-6839 (CVSS 10) — Unspecified vulnerability in phpBB before 2.0.22 has unknown impact and remote attack vectors related to "crit…
    CVE-2006-6508 (CVSS 6) — Cross-site request forgery (CSRF) vulnerability in phpBB 2.0.21 allows remote authenticated users to send unau…
    CVE-2006-6421 (CVSS 6) — Cross-site scripting (XSS) vulnerability in the private message box implementation (privmsg.php) in phpBB 2.0.…
    CVE-2006-5435 (CVSS 7.5) — PHP remote file inclusion vulnerability in groupcp.php in phpBB 2.0.10 and earlier allows remote attackers to …
    CVE-2006-5209 (CVSS 7.5) — PHP remote file inclusion vulnerability in admin/admin_topic_action_logging.php in Admin Topic Action Logging …
    CVE-2006-4450 (CVSS 5.1) — usercp_avatar.php in PHPBB 2.0.20, when avatar uploading is enabled, allows remote attackers to use the server…

    References

    http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=388120
    http://secunia.com/advisories/22188
    http://secunia.com/advisories/28871
    http://www.debian.org/security/2008/dsa-1488
    http://www.phpbb.com/phpBB/viewtopic.php?f=14&t=489624
    http://www.security.nnov.ru/Odocument221.html
    http://www.securityfocus.com/archive/1/445788/100/0/threaded
    http://www.securityfocus.com/bid/20347
    http://www.securityfocus.com/bid/21806
    https://exchange.xforce.ibmcloud.com/vulnerabilities/28884
    http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=388120
    http://secunia.com/advisories/22188
    http://secunia.com/advisories/28871
    http://www.debian.org/security/2008/dsa-1488
    http://www.phpbb.com/phpBB/viewtopic.php?f=14&t=489624
    http://www.security.nnov.ru/Odocument221.html
    http://www.securityfocus.com/archive/1/445788/100/0/threaded
    http://www.securityfocus.com/bid/20347
    http://www.securityfocus.com/bid/21806
    https://exchange.xforce.ibmcloud.com/vulnerabilities/28884

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High