high
7.5
CWE
125
Advisory Published
CVE Published
Updated

CVE-2019-9802

First published: Tue Mar 19 2019(Updated: )

If a Sandbox content process is compromised, it can initiate an FTP download which will then use a child process to render the downloaded data. The downloaded data can then be passed to the Chrome process with an arbitrary file length supplied by an attacker, bypassing sandbox protections and allow for a potential memory read of adjacent data from the privileged Chrome process, which may include sensitive data.

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

Affected SoftwareAffected VersionHow to fix
Mozilla Firefox<66
66
Mozilla Firefox<66.0
debian/firefox
132.0.2-1

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Peer vulnerabilities

(Found alongside the following vulnerabilities)

Frequently Asked Questions

  • What is CVE-2019-9802?

    CVE-2019-9802 is a vulnerability that allows a compromised Sandbox content process in Mozilla Firefox to bypass sandbox protections and initiate an FTP download with an arbitrary file length supplied by an attacker.

  • What is the severity of CVE-2019-9802?

    CVE-2019-9802 has a severity rating of 7.5, which is considered high.

  • How does CVE-2019-9802 affect Mozilla Firefox?

    CVE-2019-9802 affects Mozilla Firefox version 66 up to exclusive version 66, as well as Ubuntu packages of Firefox version 66.0+.

  • How can I fix CVE-2019-9802 in Mozilla Firefox?

    To fix CVE-2019-9802 in Mozilla Firefox, update to version 66 or higher.

  • Are there any references available for CVE-2019-9802?

    Yes, you can find references for CVE-2019-9802 at the following links: [Bugzilla](https://bugzilla.mozilla.org/show_bug.cgi?id=1415508), [Mozilla Security Advisories](https://www.mozilla.org/en-US/security/advisories/mfsa2019-07/)

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