DEBIAN-CVE-2012-0920

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    DEBIAN-CVE-2012-0920

    Published: 5 Jun 2012Last Modified: 5 Sept 2026
    Upstream:
    CVE-2012-0920

    Summary:

    Details: Use-after-free vulnerability in Dropbear SSH Server 0.52 through 2012.54, when command restriction and public key authentication are enabled, allows remote authenticated users to execute arbitrary code and bypass command restrictions via multiple crafted command requests, related to "channels concurrency."

    References: https://security-tracker.debian.org/tracker/CVE-2012-0920

    Affected packages

    Package

    Name: dropbear

    Purl: pkg:deb/debian/dropbear?arch=source&distro=bookworm

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -2012.55-1

    Affected versions

    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