CVE-2020-10188

NameCVE-2020-10188
Descriptionutility.c in telnetd in netkit telnet through 0.17 allows remote attackers to execute arbitrary code via short writes or urgent data, because of a buffer overflow involving the netclear and nextitem functions.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severityhigh
Debian Bugs953477, 953478

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
netkit-telnet (PTS)jessie0.17-36fixed
stretch0.17-41fixed
bullseye, sid, buster0.17-41.2fixed
netkit-telnet-ssl (PTS)jessie0.17.24+0.1-24fixed
stretch0.17.41+0.2-3fixed
sid0.17.41+0.2-3.2fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
netkit-telnetsource(unstable)0.17-18woody2953477
netkit-telnet-sslsource(unstable)0.17.17+0.1-2woody3953478

Notes

https://appgateresearch.blogspot.com/2020/02/bravestarr-fedora-31-netkit-telnetd_28.html
https://github.com/marado/netkit-telnet-ssl/issues/5

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