| 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) | bullseye | 1.3.7a+dfsg-12+deb11u2 | fixed |
| bullseye (security) | 1.3.7a+dfsg-12+deb11u3 | fixed |
| bookworm | 1.3.8+dfsg-4+deb12u3 | fixed |
| bookworm (security) | 1.3.8+dfsg-4+deb12u4 | fixed |
| trixie | 1.3.8.b+dfsg-4 | fixed |
| sid | 1.3.8.c+dfsg-1 | fixed |
The information below is based on the following data on fixed versions.
Notes
[lenny] - proftpd-dfsg <not-affected> (Introduced in 1.3.2rc3)