CVE-2019-18849

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    CVE-2019-18849

    Published: 11 Nov 2019Last Modified: 8 Jul 2026

    Summary:

    Details: 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.

    References: 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://lists.debian.org/debian-lts-announce/2019/11/msg00035.html, https://lists.debian.org/debian-lts-announce/2021/08/msg00025.html, 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

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -8edd0e046736764c6decc8cd6e0e739438408f3e

    Affected versions

    1.4.17
    1.4.16
    1.4.15
    1.4.14
    1.4.12
    1.4.11
    1.4.10

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    CVE-2019-18849 | CVE-DB