CVE-2022-24734

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Summary

CVECVE-2022-24734
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2022-03-09 22:15:00 UTC
Updated2022-09-30 13:22:00 UTC
DescriptionMyBB is a free and open source forum software. In affected versions the Admin CP's Settings management module does not validate setting types correctly on insertion and update, making it possible to add settings of supported type `php` with PHP code, executed on on _Change Settings_ pages. This results in a Remote Code Execution (RCE) vulnerability. The vulnerable module requires Admin CP access with the `Can manage settings?` permission. MyBB's Settings module, which allows administrators to add, edit, and delete non-default settings, stores setting data in an options code string ($options_code; mybb_settings.optionscode database column) that identifies the setting type and its options, separated by a new line character (\n). In MyBB 1.2.0, support for setting type php was added, for which the remaining part of the options code is PHP code executed on Change Settings pages (reserved for plugins and internal use). MyBB 1.8.30 resolves this issue. There are no known workarounds.

Risk And Classification

Problem Types: CWE-94

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Mybb Mybb All All All All

References

ReferenceSourceLinkTags
ACP Settings management RCE · Advisory · mybb/mybb · GitHub CONFIRM github.com
MyBB Admin Control Remote Code Execution ≈ Packet Storm MISC packetstormsecurity.com
Fix ACP Settings management RCE · mybb/mybb@92012b9 · GitHub MISC github.com
MyBB 1.8.29 Remote Code Execution ≈ Packet Storm MISC packetstormsecurity.com
ZDI-22-503 | Zero Day Initiative MISC www.zerodayinitiative.com
Version 1.8.30 - MyBB MISC mybb.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
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