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Debian 9: DLA-2748-1 Critical: Tnef Mail Attachment Risk

debian lts
Calendar Grey August 23, 2021
Dist Debian Esm H88
Enhance tnef to resolve vulnerabilities linked to malicious email attachments impacting security on Debian LTS platforms.
An issue has been found in tnef, a tool to unpack MIME application/ms-tnef attachments
Topics%20covered

Topics Covered

security advisory critical debian remote access application update tnef mail attachment

Summary

An issue has been found in tnef, a tool to unpack MIME application/ms-tnef
attachments.
Using emails with a crafted winmail.dat application/ms-tnef attachment
might allow an attacker to change .ssh/authorized_keys.


For Debian 9 stretch, this problem has been fixed in version
1.4.12-1.2+deb9u1.

We recommend that you upgrade your tnef packages.

For the detailed security status of tnef please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/source-package/tnef

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS



Severity
critical
Lowest
Low
Medium
High
Critical

Package: tnef
Version: 1.4.12-1.2+deb9u1
CVE ID: CVE-2019-18849

Topics%20covered

Topics Covered

security advisory critical debian remote access application update tnef mail attachment

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