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CVE-2009-4449

Date: December 29, 2009

Directory traversal vulnerability in MyBB (aka MyBulletinBoard) 1.4.10, and possibly earlier versions, when changing the user avatar from the gallery, allows remote authenticated users to determine the existence of files via directory traversal sequences in the avatar and possibly the gallery parameters, related to (1) admin/modules/user/users.php and (2) usercp.php.

Language: PHP

Severity Score

Related Resources (13)

http://dev.mybboard.net/issues/617
http://www.vupen.com/english/advisories/2009/3651
http://secunia.com/advisories/37906
http://dev.mybboard.net/projects/mybb/repository/revisions/4663/diff/branches/1.4-stable/usercp.php
http://www.securityfocus.com/bid/37489
http://dev.mybboard.net/projects/mybb/repository/revisions/4663/diff/branches/1.4-stable/admin/modules/user/users.php
http://blog.mybboard.net/2009/12/29/mybb-1-4-11-released-minor-patch-security-update/
http://openwall.com/lists/oss-security/2010/12/06/2
https://nvd.nist.gov/vuln/detail/CVE-2009-4449
http://openwall.com/lists/oss-security/2010/10/11/8
http://openwall.com/lists/oss-security/2010/10/08/7
http://osvdb.org/61359
https://www.mend.io/vulnerability-database/CVE-2009-4449

Severity Score

Weakness Type (CWE)

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

CWE-22

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): NONE
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): SINGLE
Confidentiality (C): COMPLETE
Integrity (I): NONE
Availability (A): NONE
Additional information:

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