Vulnerability Details CVE-2019-18849
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.008
EPSS Ranking 72.5%
CVSS Severity
CVSS v3 Score 5.5
CVSS v2 Score 4.3
References
- https://github.com/verdammelt/tnef/compare/1.4.17...1.4.18
- https://github.com/verdammelt/tnef/pull/40
- https://lists.debian.org/debian-lts-announce/2019/11/msg00035.html
- https://lists.debian.org/debian-lts-announce/2021/08/msg00025.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://github.com/verdammelt/tnef/compare/1.4.17...1.4.18
- https://github.com/verdammelt/tnef/pull/40
- https://lists.debian.org/debian-lts-announce/2019/11/msg00035.html
- https://lists.debian.org/debian-lts-announce/2021/08/msg00025.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/
Products affected by CVE-2019-18849
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cpe:2.3:a:tnef_project:tnef:1.4.10
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cpe:2.3:a:tnef_project:tnef:1.4.11
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cpe:2.3:a:tnef_project:tnef:1.4.12
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cpe:2.3:a:tnef_project:tnef:1.4.13
-
cpe:2.3:a:tnef_project:tnef:1.4.14
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cpe:2.3:a:tnef_project:tnef:1.4.15
-
cpe:2.3:a:tnef_project:tnef:1.4.16
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cpe:2.3:a:tnef_project:tnef:1.4.17
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cpe:2.3:o:canonical:ubuntu_linux:16.04
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cpe:2.3:o:debian:debian_linux:8.0
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cpe:2.3:o:fedoraproject:fedora:30
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cpe:2.3:o:fedoraproject:fedora:31