CVE-2007-5423 — AI Deep Analysis Summary

🚨 **Essence**: TikiWiki `tiki-graph_formula.php` suffers from **Eval Injection**. 📉 **Consequences**: Remote attackers can execute **arbitrary PHP code** on the server via the `f` array parameter.…

🛡️ **Root Cause**: **CWE-95 (Eval Injection)**. The flaw lies in the unsafe handling of the `f` array parameter, allowing PHP serialization strings to be passed directly to `eval()`.…

📦 **Affected**: **TikiWiki version 1.9.8**. 🎯 **Component**: Specifically the `tiki-graph_formula.php` script. 📅 **Published**: October 12, 2007.

💀 **Attacker Capabilities**: Execute **arbitrary code**. 📂 **Impact**: Can read/write files, steal data, or install backdoors. 🔓 **Privileges**: Runs with the web server's privileges (e.g., www-data).

🔓 **Threshold**: **LOW**. 🌐 **Auth**: Remote exploitation is possible without authentication. ⚙️ **Config**: Requires the vulnerable script to be accessible. No complex setup needed.

💣 **Public Exploit**: **YES**. 📜 **References**: Exploit-DB ID **4509** is available. 🌍 **Wild Exploitation**: High risk due to simplicity of the `f` array injection.

🔍 **Self-Check**: Scan for `tiki-graph_formula.php` in TikiWiki installations. 🧪 **Test**: Inject PHP serialization strings into the `f` parameter and check for execution errors or responses.…

🩹 **Official Fix**: **YES**. 📢 **Advisory**: Gentoo GLSA-200710-21 addresses this. 🔄 **Action**: Upgrade TikiWiki to a patched version immediately. 🛑 **Status**: Critical security update released.

🚧 **No Patch Workaround**: Disable the `tiki-graph_formula.php` script if possible. 🛡️ **WAF**: Block requests containing PHP serialization patterns in the `f` parameter.…

🔥 **Urgency**: **CRITICAL**. 🚨 **Priority**: **P0**. ⏳ **Reason**: Remote Code Execution (RCE) with low exploitation barrier. 🏃 **Action**: Patch immediately to prevent server takeover.