CVE-2024-40624

Deserialization of untrusted data in torrentpier/torrentpier

CVSS 9.8 CRITICALEPSS 1.0%CWE-502

Vexday Risk Score

28Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 9.8EPSS 1.0%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

15 Jul 2024Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

TorrentPier is an open source BitTorrent Public/Private tracker engine, written in php. In `torrentpier/library/includes/functions.php`, `get_tracks()` uses the unsafe native PHP serialization format to deserialize user-controlled cookies. 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. This issue has been addressed in commit `ed37e6e52` which is expected to be included in release version 2.4.4. Users are advised to upgrade as soon as the new release is available. There are no known workarounds for this vulnerability.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

torrentpier · torrentpier

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References

https://github.com/torrentpier/torrentpier/blob/84f6c9f4a081d9ffff4c233098758280304bf50f/library/includes/functions.php#L41-L60 https://github.com/torrentpier/torrentpier/commit/ed37e6e522f345f2b46147c6f53c1ab6dec1db9e https://github.com/torrentpier/torrentpier/security/advisories/GHSA-fg86-4c2r-7wxw