The Codextrous B2J Contact (aka b2j_contact) extension before 2.1.13 for Joomla! allows prediction of a uniqid value based on knowledge of a time value. This makes it easier to read arbitrary uploaded files.
The product uses a Pseudo-Random Number Generator (PRNG) but does not correctly manage seeds.
Link | Tags |
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https://navixia.com/storage/app/media/uploaded-files/CVE/cve-2017-521415.txt | third party advisory exploit |