CVE-2019-18849

MediumCVSS 5.5/10Last modified Jun 17, 2026

Description

In 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.

Metrics

CVSS 3.1 5.5/10CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-125

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

https://github.com/verdammelt/tnef/compare/1.4.17...1.4.18Patch, Third Party Advisory
https://github.com/verdammelt/tnef/pull/40Exploit, Patch, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2019/11/msg00035.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/08/msg00025.htmlMailing List, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RMKFSHPMOZL7MDWU5RYOTIBTRWSZ4Z6X/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/W7CPKBW4QZ4VIY4UXIUVUSHRJ4R2FROE/
https://usn.ubuntu.com/4524-1/Third Party Advisory
https://github.com/verdammelt/tnef/compare/1.4.17...1.4.18Patch, Third Party Advisory
https://github.com/verdammelt/tnef/pull/40Exploit, Patch, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2019/11/msg00035.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/08/msg00025.htmlMailing List, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RMKFSHPMOZL7MDWU5RYOTIBTRWSZ4Z6X/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/W7CPKBW4QZ4VIY4UXIUVUSHRJ4R2FROE/
https://usn.ubuntu.com/4524-1/Third Party Advisory

Timeline

Published: Nov 11, 2019
Last modified: Jun 17, 2026
NVD status: Modified

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