Description
The (1) getRule and (2) getChains functions in server/rules.cpp in fireflierd (fireflier-server) in FireFlier 1.1.6 allow local users to overwrite arbitrary files via a symlink attack on the /tmp/fireflier.rules temporary file.
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 4.0 | fireflier | 1.1.6-3etch1 | DSA-1326-1 |
| Debian 3.1 | fireflier | 1.1.5-1sarge1 | DSA-1326-1 |
Advisories 1
- DSA-1326-1 fireflier Debian Security (DSA / DLA) · Mar 9, 2026
References
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=431332
- DSA-1326 vendor-advisory
- 24718 vdb-entry
- fireflier-getchains-symlink(35226) vdb-entry
- 25900 third-party-advisory
- 37803 vdb-entry
- 25913 third-party-advisory