Description
Firewall Builder 3.0.4, 3.0.5, and 3.0.6, when running on Linux, allows local users to gain privileges via a symlink attack on an unspecified temporary file that is created by the iptables script.
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.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | fwbuilder | 3.0.7-1 | — |
| Debian 13 | fwbuilder | 3.0.7-1 | — |
| Debian 12 | fwbuilder | 3.0.7-1 | — |
References
- FEDORA-2010-0157 vendor-advisory
- http://blog.fwbuilder.org/2009/09/firewall-builder-v307-released.html
- https://bugzilla.redhat.com/show_bug.cgi?id=524588
- 36809 third-party-advisory
- 58247 vdb-entry
- firewallbuilder-temp-symlink(53392) vdb-entry
- 36468 vdb-entry
- http://www.fwbuilder.org/docs/firewall_builder_release_notes.html#3.0.7
- ADV-2010-0389 vdb-entry