CVE-2019-12855

NameCVE-2019-12855
DescriptionIn words.protocols.jabber.xmlstream in Twisted through 19.2.1, XMPP support did not verify certificates when used with TLS, allowing an attacker to MITM connections.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesELA-896-1
Debian Bugs930626

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
twisted (PTS)jessie, jessie (lts)14.0.2-3+deb8u6fixed
stretch (security)16.6.0-2+deb9u3vulnerable
stretch (lts), stretch16.6.0-2+deb9u4fixed
buster (security), buster, buster (lts)18.9.0-3+deb10u2fixed
bullseye20.3.0-7+deb11u1fixed
bookworm22.4.0-4fixed
bookworm (security)22.4.0-4+deb12u1fixed
trixie24.7.0-3fixed
sid24.10.0-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
twistedsourcewheezy(unfixed)end-of-life
twistedsourcejessie14.0.2-3+deb8u6ELA-896-1
twistedsourcestretch16.6.0-2+deb9u4ELA-896-1
twistedsourcebuster18.9.0-3+deb10u1
twistedsource(unstable)18.9.0-7930626

Notes

[stretch] - twisted <no-dsa> (Minor issue)
[jessie] - twisted <no-dsa> (Minor issue)
https://github.com/twisted/twisted/pull/1147
https://twistedmatrix.com/trac/ticket/9561

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