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)buster1.3.6-4+deb10u6fixed
buster (security)1.3.6-4+deb10u4fixed
sid, trixie1.3.8.b+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


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

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