Mail settings' command parameter injection in mybb
CVE-2022-39265

7.2HIGH

Key Information:

Vendor

Mybb

Status
Mybb
Vendor
CVE Published:
6 October 2022

What is CVE-2022-39265?

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 Version(s)

mybb < 1.8.31

References

https://github.com/mybb/mybb/security/advisories/GHSA-hxh...
https://github.com/mybb/mybb/commit/0cd318136a10b029bb5c8...
https://github.com/mybb/mybb/blob/mybb_1830/install/resou...

CVSS V3.1

Score:
7.2
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.