CVE-2019-18217

NameCVE-2019-18217
DescriptionProFTPD before 1.3.6b and 1.3.7rc before 1.3.7rc2 allows remote unauthenticated denial-of-service due to incorrect handling of overly long commands because main.c in a child process enters an infinite loop.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-1974-1, DSA-4559-1
Debian Bugs942831

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+deb11u5fixed
bookworm, bookworm (security)1.3.8+dfsg-4+deb12u4fixed
trixie, sid1.3.8.c+dfsg-4fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
proftpd-dfsgsourcejessie1.3.5e+r1.3.5-2+deb8u4DLA-1974-1
proftpd-dfsgsourcestretch1.3.5b-4+deb9u2DSA-4559-1
proftpd-dfsgsourcebuster1.3.6-4+deb10u2DSA-4559-1
proftpd-dfsgsource(unstable)1.3.6a-2942831

Notes

https://github.com/proftpd/proftpd/commit/13fe9462787b9a551152162f46f1641d65fe4df4
https://github.com/proftpd/proftpd/issues/846
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