CVE-2024-40624: TorrentPier Deserialization of Untrusted Data vulnerability
Summary In torrentpier/library/includes/functions.php, gettracks() uses the unsafe native PHP serialization format to deserialize user-controlled cookies: https://github.com/torrentpier/torrentpier/blob/84f6c9f4a081d9ffff4c233098758280304bf50f/library/includes/functions.php#L41-L60 PoC One can use phpggc and the chain Guzzle/FW1 to write PHP code to an arbitrary file, and execute commands on the system.
Published Jul 15, 2024 · Updated May 13, 2026
Affected packages
torrentpier/torrentpier
- Ecosystem
- Composer (PHP)
- Affected
- <= 2.4.3
- Fixed in
- 2.4.4
- Check
composer show torrentpier/torrentpier
Advisory details
From the GitHub Advisory Database (CC BY 4.0).
Summary
In torrentpier/library/includes/functions.php, get_tracks() uses the unsafe native PHP serialization format to deserialize user-controlled cookies:
https://github.com/torrentpier/torrentpier/blob/84f6c9f4a081d9ffff4c233098758280304bf50f/library/includes/functions.php#L41-L60
PoC
One can use `phpggc` and the chain Guzzle/FW1 to write PHP code to an arbitrary file, and execute commands on the system. For instance, the cookie bb_t will be deserialized when browsing to viewforum.php.
Credited to swapgs.
References
- https://github.com/torrentpier/torrentpier/security/advisories/GHSA-fg86-4c2r-7wxw
- https://github.com/torrentpier/torrentpier/commit/ed37e6e522f345f2b46147c6f53c1ab6dec1db9e
- https://github.com/torrentpier/torrentpier/blob/84f6c9f4a081d9ffff4c233098758280304bf50f/library/includes/functions.php#L41-L60
- https://nvd.nist.gov/vuln/detail/CVE-2024-40624
- https://github.com/advisories/GHSA-fg86-4c2r-7wxw
How this page is made: the data panel comes from the GitHub Advisory Database, CISA’s KEV catalog, the NVD and FIRST EPSS, and updates twice a day. No analysis has been written for this entry yet. Methodology