CVE-2018-16789

NameCVE-2018-16789
Descriptionlibhttp/url.c in shellinabox through 2.20 has an implementation flaw in the HTTP request parsing logic. By sending a crafted multipart/form-data HTTP request, an attacker could exploit this to force shellinaboxd into an infinite loop, exhausting available CPU resources and taking the service down.
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

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
shellinabox (PTS)stretch2.20vulnerable
buster, bullseye, sid2.21fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
shellinaboxsource(unstable)2.21low

Notes

[stretch] - shellinabox <no-dsa> (Minor issue)
[jessie] - shellinabox <no-dsa> (Minor issue)
https://github.com/shellinabox/shellinabox/pull/446

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