This Metasploit module exploits CVE-2022-0543, a Lua-based Redis sandbox escape. The vulnerability was introduced by Debian and Ubuntu Redis packages that insufficiently sanitized the Lua environment. The maintainers failed to disable the package interface, allowing attackers to load arbitrary libraries. On a typical redis deployment (not docker), this module achieves execution as the redis user. Debian/Ubuntu packages run Redis using systemd with the "MemoryDenyWriteExecute" permission, which limits some of what an attacker can do. For example, staged meterpreter will fail when attempting to use mprotect. As such, stageless meterpreter is the preferred payload. Redis can be configured with authentication or not. This module will work with either configuration (provided you provide the correct authentication details). This vulnerability could theoretically be exploited across a few architectures: i386, arm, ppc, etc. However, the module only supports x86_64, which is likely to be the most popular version.
25990c6dc1f07a86ea2e834b9c66c011d9af3d483f0592ec3011de6f791bfa0aUbuntu Security Notice 5316-1 - Reginaldo Silva discovered that due to a packaging issue, a remote attacker with the ability to execute arbitrary Lua scripts could possibly escape the Lua sandbox and execute arbitrary code on the host.
718b2b6d3a087eac0f4c8ad6851f928119904aee0cbd3ce9edeb4a0558c3a329Debian Linux Security Advisory 5081-1 - Reginaldo Silva discovered a (Debian-specific) Lua sandbox escape in Redis, a persistent key-value database.
24bea18a7ed5c46714df1e7fdd4207accfb76d034120ddde8eb85452b1cc49e8
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