PHP2Shell can enable pre-authentication remote code execution, but exploitability depends on the server’s exact build and runtime configuration, not merely its PHP version. This research presents 42 binary-verified x86_64 RCE profiles covering 42 of 110 supported vulnerable PHP releases, plus three separately documented special-case experimental profiles.
A critical authorization bypass in EGroupware allows attackers to achieve remote code execution through arbitrary file upload and file read primitives. We break down the vulnerability, exploitation chain, responsible disclosure process, and how it was fixed by the EGroupware team.
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