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Status published
Medium
CVE-2019-18849
In tnef before 1.4.18, an attacker may be able to...
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- https://github.com/verdammelt/tnef/pull/40
- https://github.com/verdammelt/tnef/compare/1.4.17...1.4.18
- https://lists.debian.org/debian-lts-announce/2019/11/msg00035.html
- 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/
- https://lists.debian.org/debian-lts-announce/2021/08/msg00025.html
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Affected Vendor
tnef project
View all reports →Affected Software
tnef, fedora, ubuntu linux, debian linux
Vulnerable Versions:
0, 30, 31, 16.04, 8.0
Timeline
Official Publish:
November 11th, 2019
Last Modified:
August 5th, 2024
Added to House:
July 20th, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.