Description
freeradius-dialupadmin in freeradius 2.0.4 allows local users to overwrite arbitrary files via a symlink attack on temporary files in (1) backup_radacct, (2) clean_radacct, (3) monthly_tot_stats, (4) tot_stats, and (5) truncate_radacct.
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 | freeradius | 2.0.4+dfsg-6 | — |
| Debian 13 | freeradius | 2.0.4+dfsg-6 | — |
| Debian 12 | freeradius | 2.0.4+dfsg-6 | — |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | freeradius-server | 3.0.23-1.5 | openSUSE-SU-2024:10767-1 |
Advisories 1
- openSUSE-SU-2024:10767-1 freeradius-server-3.0.23-1.5 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
References
- 33151 third-party-advisory
- 32170 third-party-advisory
- [oss-security] 20081030 CVE requests: tempfile issues for aview, mgetty, openoffice, crossfire mailing-list
- https://bugs.gentoo.org/show_bug.cgi?id=235770
- http://uvw.ru/report.lenny.txt
- 30901 vdb-entry
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=496389
- SUSE-SR:2008:028 vendor-advisory
- [debian-devel] 20080811 Possible mass bug filing: The possibility of attack with the help of symlinks in some Debian packages mailing-list
- http://dev.gentoo.org/~rbu/security/debiantemp/freeradius-dialupadmin