7.5
CWE
617
Advisory Published
Updated

CVE-2017-7508

First published: Tue Jun 27 2017(Updated: )

OpenVPN versions before 2.4.3 and before 2.3.17 are vulnerable to remote denial-of-service when receiving malformed IPv6 packet.

Credit: secalert@redhat.com

Affected SoftwareAffected VersionHow to fix
OpenVPN Monitor<=2.3.16
OpenVPN Monitor=2.4.0
OpenVPN Monitor=2.4.0-alpha2
OpenVPN Monitor=2.4.0-beta1
OpenVPN Monitor=2.4.0-beta2
OpenVPN Monitor=2.4.0-rc1
OpenVPN Monitor=2.4.0-rc2
OpenVPN Monitor=2.4.1
OpenVPN Monitor=2.4.2

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Frequently Asked Questions

  • What is the severity of CVE-2017-7508?

    CVE-2017-7508 is classified as a medium severity vulnerability due to its potential for causing remote denial-of-service.

  • How do I fix CVE-2017-7508?

    To resolve CVE-2017-7508, upgrade to OpenVPN version 2.4.3 or later if using version 2.4, or version 2.3.17 or later if using version 2.3.

  • What versions of OpenVPN are affected by CVE-2017-7508?

    OpenVPN versions before 2.4.3 and before 2.3.17, including various beta and release candidate versions, are affected by CVE-2017-7508.

  • What type of attack does CVE-2017-7508 enable?

    CVE-2017-7508 enables a remote denial-of-service attack through the receipt of malformed IPv6 packets.

  • Is my OpenVPN configuration safe if I am using a vulnerable version identified in CVE-2017-7508?

    No, using a vulnerable version identified in CVE-2017-7508 puts your OpenVPN configuration at risk of denial-of-service attacks, so it is advised to update immediately.

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