Description
ftpd in Linux Netkit (linux-ftpd) 0.17, and possibly other versions, does not check the return status of certain seteuid, setgid, and setuid calls, which might allow remote authenticated users to gain privileges if these calls fail in cases such as PAM failures or resource limits, a different vulnerability than CVE-2006-5778.
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 12 | linux-ftpd | 0.17-23 | — |
| Debian 3.1 | linux-ftpd | 0.17-20sarge2 | DSA-1217-1 |
Advisories 1
- DSA-1217-1 linux-ftpd Debian Security (DSA / DLA) · Mar 9, 2026
References
- GLSA-200611-05 vendor-advisory
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=384454
- http://ftp.debian.org/debian/pool/main/l/linux-ftpd/linux-ftpd_0.17-22.diff.gz
- 22816 third-party-advisory
- 22853 third-party-advisory
- http://bugs.gentoo.org/show_bug.cgi?id=150292