CVE-2020-6097

NameCVE-2020-6097
DescriptionAn exploitable denial of service vulnerability exists in the atftpd daemon functionality of atftp 0.7.git20120829-3.1+b1. A specially crafted sequence of RRQ-Multicast requests trigger an assert() call resulting in denial-of-service. An attacker can send a sequence of malicious packets to trigger this vulnerability.
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 severitymedium
Debian Bugs970066

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
atftp (PTS)stretch (security), stretch0.7.git20120829-3.1~deb9u1vulnerable
bullseye, sid, buster0.7.git20120829-3.1vulnerable

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
atftpsource(unstable)(unfixed)970066

Notes

[buster] - atftp <no-dsa> (Minor issue)
[stretch] - atftp <no-dsa> (Minor issue)
https://talosintelligence.com/vulnerability_reports/TALOS-2020-1029

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