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| Package Name | Ecosystem | Vulnerable Versions | First Patched Version |
|---|---|---|---|
| zendframework/zendframework | composer | >= 2.2.0, < 2.2.5 | 2.2.5 |
The vulnerability stems from the pre-2.2.5 implementation of getIpAddressFromProxy() which lacked a critical security check. The commit diff shows the addition of 'in_array($_SERVER['REMOTE_ADDR'], $this->trustedProxies)' to the method's condition, directly addressing the trust validation gap. The CWE-601 mapping and advisory descriptions confirm this function's flawed logic enabled open redirect-like IP spoofing when handling untrusted proxies.
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