UBUNTU-CVE-2020-8161

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    UBUNTU-CVE-2020-8161

    Published: 2 Jul 2020Last Modified: 4 Feb 2026
    Upstream:
    CVE-2020-8161

    Summary:

    Details: A directory traversal vulnerability exists in rack < 2.2.0 that allows an attacker perform directory traversal vulnerability in the Rack::Directory app that is bundled with Rack which could result in information disclosure.

    References: https://ubuntu.com/security/CVE-2020-8161, https://groups.google.com/forum/#!msg/rubyonrails-security/IOO1vNZTzPA/Ylzi1UYLAAAJ, https://github.com/rack/rack/commit/dddb7ad18ed79ca6ab06ccc417a169fde451246e, https://ubuntu.com/security/notices/USN-4561-1, https://ubuntu.com/security/notices/USN-4561-2, https://www.cve.org/CVERecord?id=CVE-2020-8161

    Affected packages

    Package

    Name: ruby-rack

    Purl: pkg:deb/ubuntu/[email protected]?arch=source&distro=xenial

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -1.6.4-3ubuntu0.2

    Affected versions

    1.5.2-4

    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
    UBUNTU-CVE-2020-8161 | CVE-DB