UBUNTU-CVE-2023-28531

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    UBUNTU-CVE-2023-28531

    Published: 17 Mar 2023Last Modified: 4 Feb 2026
    Upstream:
    CVE-2023-28531
    Aliases:
    USN-6560-1

    Summary:

    Details: ssh-add in OpenSSH before 9.3 adds smartcard keys to ssh-agent without the intended per-hop destination constraints. The earliest affected version is 8.9.

    References: https://ubuntu.com/security/CVE-2023-28531, https://www.openwall.com/lists/oss-security/2023/03/15/8, https://ubuntu.com/security/notices/USN-6560-1, https://www.cve.org/CVERecord?id=CVE-2023-28531

    Affected packages

    Package

    Name: openssh

    Purl: pkg:deb/ubuntu/openssh@1:8.9p1-3ubuntu0.5?arch=source&distro=jammy

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -1:8.9p1-3ubuntu0.5

    Affected versions

    1:8.4p1-6ubuntu2

    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-2023-28531 | CVE-DB