GLPI versions before 9.4.6 use GLPIKEY, a public default encryption key shared across installations, to encrypt sensitive stored data. Because the key is publicly known and reused, an attacker who obtains ciphertext encrypted with this key can decrypt the protected data. Replacing the key on existing installations requires re-encrypting affected database values; unidentified encrypted fields, particularly those introduced by plugins, complicate this process.
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1 valid exploit after Mallory filtered fakes, detection scripts, and README-only repos.
This repository provides a proof-of-concept exploit for CVE-2020-5248, a vulnerability in GLPI (prior to version 9.4.6) where a default, public encryption key ('GLPI£i'snarss'ç') is used for sensitive data. The repository contains two files: a README.md explaining the vulnerability and usage, and a PHP script (decrypt_any.php) that implements the decryption logic. The PHP script defines a function 'decrypt' that takes a base64-encoded string (representing encrypted data from GLPI) and decrypts it using the default key. The user is instructed to replace the placeholder string in the script with the actual encrypted data they wish to decrypt. This exploit demonstrates that any attacker with access to encrypted data from a vulnerable GLPI instance can decrypt it, exposing sensitive information such as passwords. No network endpoints or remote attack vectors are present; the exploit is local and requires access to the encrypted data.
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No public activity observed for this vulnerability.
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Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.