UBUNTU-CVE-2019-3464

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    UBUNTU-CVE-2019-3464

    Published: 6 Feb 2019Last Modified: 4 Feb 2026
    Upstream:
    CVE-2019-3464
    Aliases:
    USN-3946-1

    Summary:

    Details: Insufficient sanitization of environment variables passed to rsync can bypass the restrictions imposed by rssh, a restricted shell that should restrict users to perform only rsync operations, resulting in the execution of arbitrary shell commands.

    References: https://ubuntu.com/security/CVE-2019-3464, https://tracker.debian.org/news/1026713/accepted-rssh-234-5deb9u2-source-amd64-into-stable-embargoed-stable/, https://ubuntu.com/security/notices/USN-3946-1, https://www.cve.org/CVERecord?id=CVE-2019-3464

    Affected packages

    Package

    Name: rssh

    Purl: pkg:deb/ubuntu/[email protected]+deb8u2ubuntu0.14.04.2?arch=source&distro=trusty

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -2.3.4-4+deb8u2ubuntu0.14.04.2

    Affected versions

    2.3.4-3
    2.3.4-4
    2.3.4-4+deb8u1build0.14.04.1
    2.3.4-4+deb8u2build0.14.04.1
    2.3.4-4+deb8u2ubuntu0.14.04.1

    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