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CVE-2009-4448

Date: December 29, 2009

inc/functions_time.php in MyBB (aka MyBulletinBoard) 1.4.10, and possibly earlier versions, allows remote attackers to cause a denial of service (CPU consumption) via a crafted request with a large year value, which triggers a long loop, as reachable through member.php and possibly other vectors.

Language: PHP

Severity Score

Related Resources (9)

http://dev.mybboard.net/projects/mybb/repository/revisions/4613/diff/branches/1.4-stable/inc/functions_time.php
http://secunia.com/advisories/37906
https://nvd.nist.gov/vuln/detail/CVE-2009-4448
http://dev.mybboard.net/issues/600
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
http://openwall.com/lists/oss-security/2010/10/11/8
http://openwall.com/lists/oss-security/2010/10/08/7
https://www.mend.io/vulnerability-database/CVE-2009-4448

Severity Score

Weakness Type (CWE)

Resource Management Errors

CWE-399

CVSS v3.1

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

CVSS v2

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

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