CVE-2023-43744

Summary

CVE-2023-43744 is an OS command injection vulnerability affecting several Zultys IP phone models, including MX-SE, MX-SE II, MX-E, MX-Virtual, MX250, and MX30, with firmware versions prior to 17.0.10 patch 17161 and 16.04 patch 16109. The vulnerability lies in the Zultys MX Administrator client's "Patch Manager" section, where administrators can apply patches to devices. The user-supplied filename for the patch file is passed to a shell script without proper validation. An attacker can exploit this by including bash command substitution characters in a patch file name, leading to the execution of arbitrary OS commands.

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