medium
4.3
CWE
79
Advisory Published
Updated

CVE-2012-3994: XSS

First published: Wed Oct 10 2012(Updated: )

Mozilla Firefox before 16.0, Firefox ESR 10.x before 10.0.8, Thunderbird before 16.0, Thunderbird ESR 10.x before 10.0.8, and SeaMonkey before 2.13 allow remote attackers to conduct cross-site scripting (XSS) attacks via a binary plugin that uses Object.defineProperty to shadow the top object, and leverages the relationship between top.location and the location property.

Credit: cve@mitre.org cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Firefox<10.0.8
Mozilla Thunderbird<10.0.8
Firefox<16.0
Thunderbird<16.0
Mozilla SeaMonkey<2.13
SUSE Linux Enterprise Desktop=10-sp4
SUSE Linux Enterprise Desktop=11-sp2
SUSE Linux Enterprise Software Development Kit=10-sp4
SUSE Linux Enterprise Server=10-sp4
SUSE Linux Enterprise Server=11-sp2
SUSE Linux Enterprise Server=11-sp2
Ubuntu=10.04
Ubuntu=11.04
Ubuntu=11.10
Ubuntu=12.04
Red Hat Enterprise Linux Desktop=5.0
Red Hat Enterprise Linux Desktop=6.0
Red Hat Enterprise Linux Server EUS=6.3
Red Hat Enterprise Linux Server=5.0
Red Hat Enterprise Linux Server=6.0
Red Hat Enterprise Linux Workstation=5.0
Red Hat Enterprise Linux Workstation=6.0
Firefox ESR<10.0.8

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2012-3994?

    CVE-2012-3994 has a moderate severity rating due to its potential for cross-site scripting (XSS) vulnerabilities.

  • How do I fix CVE-2012-3994?

    To fix CVE-2012-3994, upgrade to Firefox 16.0 or later, Thunderbird 16.0 or later, or their respective ESR versions.

  • Which versions are affected by CVE-2012-3994?

    CVE-2012-3994 affects Firefox versions before 16.0, Thunderbird versions before 16.0, and SeaMonkey versions before 2.13.

  • Can CVE-2012-3994 affect users on older operating systems?

    Yes, users running affected versions of browsers on older operating systems like SUSE or Ubuntu are vulnerable to CVE-2012-3994.

  • Is there a workaround for CVE-2012-3994 until I can update?

    The best workaround is to disable any outdated plugins and avoid using the affected versions of browsers until an update is applied.

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