| Name | CVE-2010-4221 |
| Description | Multiple stack-based buffer overflows in the pr_netio_telnet_gets function in netio.c in ProFTPD before 1.3.3c allow remote attackers to execute arbitrary code via vectors involving a TELNET IAC escape character to a (1) FTP or (2) FTPS server. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| Debian Bugs | 602279, 603511 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| proftpd-dfsg (PTS) | jessie, jessie (lts) | 1.3.5e+r1.3.5-2+deb8u8 | fixed |
| stretch (security) | 1.3.5e+r1.3.5b-4+deb9u2 | fixed |
| stretch (lts), stretch | 1.3.5e+r1.3.5b-4+deb9u3 | fixed |
| buster | 1.3.6-4+deb10u6 | fixed |
| buster (security), buster (lts) | 1.3.6-4+deb10u4 | fixed |
| bullseye | 1.3.7a+dfsg-12+deb11u2 | fixed |
| bookworm | 1.3.8+dfsg-4+deb12u3 | fixed |
| sid, trixie | 1.3.8.b+dfsg-4 | fixed |
The information below is based on the following data on fixed versions.
Notes
[lenny] - proftpd-dfsg <not-affected> (Introduced in 1.3.2rc3)