CVEvulnerability
CVE-2019-18849
5.5 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2019-11-11
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 4.3 MEDIUM — AV:N/AC:M/Au:N/C:N/I:N/A:P
- Weaknesses
- CWE-125
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.
Affected configurations
• tnef project tnef (< 1.4.18)
• fedoraproject fedora 30
• fedoraproject fedora 31
• canonical ubuntu linux 16.04
• debian debian linux 8.0
Related
Weakness · CWE (1)
- CWE-125 Out-of-bounds Read weakness
References
- https://github.com/verdammelt/tnef/compare/1.4.17...1.4.18 Patch, Third Party Advisory
- https://github.com/verdammelt/tnef/pull/40 Exploit, Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/11/msg00035.html Mailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/08/msg00025.html Mailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RMKFSHPMOZL7MDWU5RYOTIBTRWSZ4Z6X/ lists.fedoraproject.org
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/W7CPKBW4QZ4VIY4UXIUVUSHRJ4R2FROE/ lists.fedoraproject.org
- https://usn.ubuntu.com/4524-1/ Third Party Advisory
- https://github.com/verdammelt/tnef/compare/1.4.17...1.4.18 Patch, Third Party Advisory
- https://github.com/verdammelt/tnef/pull/40 Exploit, Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/11/msg00035.html Mailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/08/msg00025.html Mailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RMKFSHPMOZL7MDWU5RYOTIBTRWSZ4Z6X/ lists.fedoraproject.org
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/W7CPKBW4QZ4VIY4UXIUVUSHRJ4R2FROE/ lists.fedoraproject.org
- https://usn.ubuntu.com/4524-1/ Third Party Advisory