CVE-2014-9721

NameCVE-2014-9721
Descriptionlibzmq before 4.0.6 and 4.1.x before 4.1.1 allows remote attackers to conduct downgrade attacks and bypass ZMTP v3 protocol security mechanisms via a ZMTP v2 or earlier header.
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)
ReferencesDSA-3255-1
NVD severitymedium
Debian Bugs784366

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
zeromq3 (PTS)stretch (security), stretch4.2.1-4+deb9u2fixed
buster, buster (security)4.3.1-4+deb10u1fixed
bullseye, sid4.3.2-2fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
zeromq3sourcejessie4.0.5+dfsg-2+deb8u1DSA-3255-1
zeromq3source(unstable)4.0.5+dfsg-3784366

Notes

https://github.com/zeromq/libzmq/issues/1273
https://github.com/zeromq/zeromq4-x/commit/b6e3e0f601e2c1ec1f3aac880ed6a3fe63043e51
http://www.openwall.com/lists/oss-security/2015/05/07/8
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