7.5
CWE
200
Advisory Published
CVE Published
Updated

CVE-2018-5137: Infoleak

First published: Tue Mar 13 2018(Updated: )

A legacy extension's non-contentaccessible, defined resources can be loaded by an arbitrary web page through script. This script does this by using a maliciously crafted path string to reference the resources. Note: this vulnerability does not affect WebExtensions.

Credit: security@mozilla.org security@mozilla.org

Affected SoftwareAffected VersionHow to fix
Mozilla Firefox<59
59
Mozilla Firefox<59.0
Canonical Ubuntu Linux=14.04
Canonical Ubuntu Linux=16.04
Canonical Ubuntu Linux=17.10
debian/firefox
131.0.2-2

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Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is CVE-2018-5137?

    CVE-2018-5137 is a vulnerability in Firefox where a legacy extension's non-contentaccessible, defined resources can be loaded by an arbitrary web page through script.

  • How does CVE-2018-5137 affect Firefox?

    CVE-2018-5137 affects Firefox versions up to but excluding 59.0.

  • What is the severity of CVE-2018-5137?

    CVE-2018-5137 has a severity rating of 7.5 (High).

  • How can I fix CVE-2018-5137 in Firefox?

    To fix CVE-2018-5137, update Firefox to version 59.0 or higher.

  • Where can I find more information about CVE-2018-5137?

    More information about CVE-2018-5137 can be found at the following references: [link1], [link2], [link3].

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