CVE-2019-18849

NameCVE-2019-18849
DescriptionIn tnef before 1.4.18, an attacker may be able to write to the victim's .ssh/authorized_keys file via an e-mail message with a crafted winmail.dat application/ms-tnef attachment, because of a heap-based buffer over-read involving strdup.
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)
ReferencesDLA-2005-1
NVD severitymedium
Debian Bugs944851

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
tnef (PTS)jessie1.4.9-1+deb8u3vulnerable
jessie (security)1.4.9-1+deb8u4fixed
bullseye, buster, stretch1.4.12-1.2vulnerable
sid1.4.18-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
tnefsource(unstable)1.4.18-1944851
tnefsourcejessie1.4.9-1+deb8u4DLA-2005-1

Notes

[buster] - tnef <no-dsa> (Minor issue; can be fixed via point release)
[stretch] - tnef <no-dsa> (Minor issue; can be fixed via point release)
https://github.com/verdammelt/tnef/pull/40

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