CVE-2010-4221

NameCVE-2010-4221
DescriptionMultiple 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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs602279, 603511

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
proftpd-dfsg (PTS)bullseye1.3.7a+dfsg-12+deb11u2fixed
bullseye (security)1.3.7a+dfsg-12+deb11u3fixed
bookworm1.3.8+dfsg-4+deb12u3fixed
bookworm (security)1.3.8+dfsg-4+deb12u4fixed
trixie1.3.8.b+dfsg-4fixed
sid1.3.8.c+dfsg-1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
proftpd-dfsgsourcelenny(not affected)
proftpd-dfsgsource(unstable)1.3.3a-5602279, 603511

Notes

[lenny] - proftpd-dfsg <not-affected> (Introduced in 1.3.2rc3)

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