CVE-2024-22533: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

February 2, 2024

Before Beetl v3.15.12, the rendering template has a server-side template injection (SSTI) vulnerability. When the incoming template is controllable, it will be filtered by the DefaultNativeSecurityManager block list. Because block list filtering is not strict, the block list can be bypassed, leading to arbitrary code execution.

References

gitee.com/xiandafu/beetl/issues/I8RU01
github.com/advisories/GHSA-9gh8-877r-g477
nvd.nist.gov/vuln/detail/CVE-2024-22533

Code Behaviors & Features

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