Description
The maketemp.pl script in Usermin 1.070 and 1.080 allows local users to overwrite arbitrary files at install time via a symlink attack on the /tmp/.usermin directory.
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 3.0 | webmin | 0.94-7woody3 | DSA-544-1 |
Advisories 1
- DSA-544-1 webmin - insecure temporary directory Debian Security (DSA / DLA) · Mar 9, 2026
References
- http://www.webmin.com/uchanges-1.089.html
- 11153 vdb-entry
- 12488 third-party-advisory
- GLSA-200409-15 vendor-advisory
- usermin-installation-unspecified(17299) vdb-entry