CVE-2023-38711

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    CVE-2023-38711

    Published: 25 Aug 2023Last Modified: 12 Aug 2026

    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://github.com/libreswan/libreswan/tags, https://libreswan.org/security/CVE-2023-38711/, https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/38xxx/CVE-2023-38711.json, https://nvd.nist.gov/vuln/detail/CVE-2023-38711

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 5cb4ea71800792204de69a9f546ca6a41f377bf3
    Fixed -273ab05494d1a08c81bc4f84c38dfa7128fa239a

    Affected versions

    v4.11

    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
    CVE-2023-38711 | CVE-DB