UBUNTU-CVE-2017-9023

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    UBUNTU-CVE-2017-9023

    Published: 30 May 2017Last Modified: 4 Feb 2026
    Upstream:
    CVE-2017-9023
    Aliases:
    USN-3301-1

    Summary:

    Details: The ASN.1 parser in strongSwan before 5.5.3 improperly handles CHOICE types when the x509 plugin is enabled, which allows remote attackers to cause a denial of service (infinite loop) via a crafted certificate.

    References: https://ubuntu.com/security/CVE-2017-9023, https://ubuntu.com/security/notices/USN-3301-1, https://www.cve.org/CVERecord?id=CVE-2017-9023

    Affected packages

    Package

    Name: strongswan

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

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -5.1.2-0ubuntu2.6

    Affected versions

    4.6.4-9

    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-2017-9023 | CVE-DB