7.5
CWE
770
Advisory Published
CVE Published
Updated

CVE-2017-5388

First published: Tue Jan 24 2017(Updated: )

A STUN server in conjunction with a large number of "webkitRTCPeerConnection" objects can be used to send large STUN packets in a short period of time due to a lack of rate limiting being applied on e10s systems, allowing for a denial of service attack. This vulnerability affects Firefox < 51.

Credit: security@mozilla.org

Affected SoftwareAffected VersionHow to fix
Firefox<51
51
Firefox<51.0

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Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is the severity of CVE-2017-5388?

    CVE-2017-5388 has a severity rating of high due to its potential to cause a denial of service attack.

  • How do I fix CVE-2017-5388?

    To fix CVE-2017-5388, upgrade Firefox to version 51 or newer.

  • What systems are affected by CVE-2017-5388?

    CVE-2017-5388 affects Firefox versions prior to 51, particularly on e10s systems.

  • What type of attack does CVE-2017-5388 allow?

    CVE-2017-5388 allows for a denial of service attack by exploiting a lack of rate limiting.

  • Is there a workaround for CVE-2017-5388?

    There is no specific workaround for CVE-2017-5388 other than upgrading the affected software.

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