| Package | Affected versions | Patched versions |
|---|---|---|
| ultimate php board | = 1.8= 1.8.2= 1.9= 1.9.6 |
Ultimate PHP Board (UPB) 1.9.6 and earlier uses a cryptographically weak block cipher with a large key collision space, which allows remote attackers to determine a suitable decryption key given the plaintext and ciphertext by obtaining the plaintext password, which is sent when logging in, and the ciphertext, which is set in the pass_env cookie.
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