UBUNTU-CVE-2023-38711

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    UBUNTU-CVE-2023-38711

    Published: 25 Aug 2023Last Modified: 2 Jul 2026
    Upstream:
    CVE-2023-38711

    Summary:

    Details: An issue was discovered in Libreswan before 4.12. When an IKEv1 Quick Mode connection configured with ID_IPV4_ADDR or ID_IPV6_ADDR receives an IDcr payload with ID_FQDN, a NULL pointer dereference causes a crash and restart of the pluto daemon. NOTE: the earliest affected version is 4.6.

    References: https://ubuntu.com/security/CVE-2023-38711, https://libreswan.org/security/CVE-2023-38711/CVE-2023-38711.txt, https://libreswan.org/security/CVE-2023-38711/CVE-2023-38711.patch, https://www.cve.org/CVERecord?id=CVE-2023-38711

    Affected packages

    Package

    Name: libreswan

    Purl: pkg:deb/ubuntu/libreswan?arch=source&distro=focal

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    3.29-2

    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-2023-38711 | CVE-DB