CVE-2022-39265

Summary

MyBB is a free and open source forum software. The Mail Settings → Additional Parameters for PHP's mail() function mail_parameters setting value, in connection with the configured mail program's options and behavior, may allow access to sensitive information and Remote Code Execution (RCE). The vulnerable module requires Admin CP access with the _Can manage settings?_ permission and may depend on configured file permissions. MyBB 1.8.31 resolves this issue with the commit 0cd318136a. Users are advised to upgrade. There are no known workarounds for this vulnerability.

Affected Software

Weaknesses

• CWE-74: CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

ADP Enrichment

CVE Program Container

Additional References

• https://github.com/mybb/mybb/security/advisories/GHSA-hxhm-rq9f-7xj7
• https://github.com/mybb/mybb/commit/0cd318136a10b029bb5c8a8f6dddf39d87519797
• https://github.com/mybb/mybb/blob/mybb_1830/install/resources/settings.xml#L2331-L2338
• https://mybb.com/versions/1.8.31/

CISA ADP Vulnrichment

• SSVC:
• Exploitation: poc
  • Automatable: no
  • Technical Impact: total

References

• https://github.com/mybb/mybb/security/advisories/GHSA-hxhm-rq9f-7xj7
• https://github.com/mybb/mybb/commit/0cd318136a10b029bb5c8a8f6dddf39d87519797
• https://github.com/mybb/mybb/blob/mybb_1830/install/resources/settings.xml#L2331-L2338
• https://mybb.com/versions/1.8.31/

• ←Previous
• Next→