Description
Usermin before 1.220 (20060629) allows remote attackers to read arbitrary files, possibly related to chfn/save.cgi not properly handling an empty shell parameter, which results in changing root's shell instead of the shell of a specified user.
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 3.1 | usermin | 1.110-3.1 | DSA-1177-1 |
Advisories 1
- DSA-1177-1 usermin Debian Security (DSA / DLA) · Mar 9, 2026
References
- 21968 third-party-advisory
- 21981 third-party-advisory
- 18574 vdb-entry
- usermin-shell-dos(29010) vdb-entry
- http://www.webmin.com/uchanges.html
- ADV-2006-3668 vdb-entry
- http://www.osreviews.net/reviews/admin/usermin
- http://sourceforge.net/tracker/index.php?func=detail&aid=1509145&group_id=17457&atid=485894
- DSA-1177 vendor-advisory