Description
Cross-site request forgery (CSRF) vulnerability in index.php in FlatNuke 2.6, and possibly 3, allows remote attackers to change the password and privilege level of arbitrary accounts via the user parameter and modified (1) regpass and (2) level parameters in a none_Login action, as demonstrated by using a Flash object to automatically make the request.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | flatnuke | No fix yet | — |
| Ubuntu 26.04 LTS | flatnuke | No fix yet | — |
| Ubuntu 25.10 | flatnuke | No fix yet | — |
| Ubuntu 24.04 LTS | flatnuke | No fix yet | — |
| Ubuntu 22.04 LTS | flatnuke | No fix yet | — |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | flatnuke | No fix yet | — |
| Ubuntu 18.04 LTS | flatnuke | No fix yet | — |
| Ubuntu 16.04 LTS | flatnuke | No fix yet | — |
References
- 20070924 Arbitrary Command Inclusion mailing-list
- 25817 vdb-entry
- 26957 third-party-advisory
- flatnuke-mod-security-bypass(36763) vdb-entry
- 3176 third-party-advisory