Description
GestSup versions before 3.2.62 fail to validate ticket ownership when loading comments via the threadedit parameter in thread.php. Authenticated attackers can enumerate sequential comment IDs to read private comments from other users' tickets without proper authorization checks.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| GestSup | GestSup | < 3.2.62 | 3.2.62 |
References
- https://gestsup.fr/index.php?page=changelog release-notes
- https://gestsup.fr/index.php?page=download product
- https://gestsup.fr/index.php?page=download&channel=stable&version=3.2.62&type=patch patch
- VulnCheck Advisory: GestSup before 3.2.62 Private Ticket Comment Disclosure via threadedit Parameter third-party-advisory
- https://blog.spiizn.xyz/articles/remote-code-execution-turning-a-ticket-into-a-new-issue/ technical-description exploit