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Fedora 30: FEDORA-2019-5f14b810f8 Critical: tnef Email Attack Fix

fedora
Calendar Grey December 4, 2019
Dist Fedora Esm H88
Security bulletin for Fedora regarding tnef upgrade to mitigate email exploitation threats. Critical for ensuring system stability.
tnef release 1.4.18

Summary

This application provides a way to unpack Microsoft MS-TNEF MIME attachments.

It operates like tar in order to unpack files of type "application/ms-tnef",

which may have been placed into the MS-TNEF attachment instead of being

attached separately.

Such files may have attachment names similar to WINMAIL.DAT

tnef release 1.4.18. ==================== Security release to resolve

[CVE-2019-18849](https://www.cve.org/CVERecord?id=CVE-2019-18849)

in which it may be possible to attack via a crafted email message extracted via

tnef.

* Tue Nov 26 2019 David Timms - 1.4.18-1

- Update to release 1.4.18. Fixes CVE-2019-18849 - bug #1771891

- Add global builddolphin to enable -dolphin subpackage when available.

* Sat Jul 27 2019 Fedora Release Engineering - 1.4.17-2

- Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild

[ 1 ] Bug #1771892 - CVE-2019-18849 tnef: security bypass in .ssh/authorized_keys file via an e-mail message [fedora-all]

https://bugzilla.redhat.com/show_bug.cgi?id=1771892

[ 2 ] Bug #1771893 - CVE-2019-18849 tnef: security bypass in .ssh/authorized_keys file via an e-mail message [epel-all]

https://bugzilla.redhat.com/show_bug.cgi?id=1771893

su -c 'dnf upgrade --advisory FEDORA-2019-5f14b810f8' at the command

line. For more information, refer to the dnf documentation available at

https://dnf.readthedocs.io/en/latest/command_ref.html

All packages are signed with the Fedora Project GPG key. More details on the

GPG keys used by the Fedora Project can be found at

https://fedoraproject.org/security/

package-announce mailing list -- package-announce@lists.fedoraproject.org

To unsubscribe send an email to package-announce-leave@lists.fedoraproject.org

Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/

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Change Log

References

Update Instructions

Severity
critical
Lowest
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Critical

Product: Fedora 30
Version: 1.4.18
Release: 1.fc30
Summary: Extract files from email attachments like WINMAIL.DAT

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