critical
9.3
CWE
264
Advisory Published
Updated

CVE-2012-3991

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 do not properly restrict JSAPI access to the GetProperty function, which allows remote attackers to bypass the Same Origin Policy and possibly have unspecified other impact via a crafted web site.

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
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
SUSE Linux Enterprise Desktop=10-sp4
SUSE Linux Enterprise Desktop=11-sp3
SUSE Linux Enterprise Software Development Kit=10-sp4
SUSE Linux Enterprise Server=10-sp4
SUSE Linux Enterprise Server=11-sp3
SUSE Linux Enterprise Server=11-sp3
Firefox ESR<10.0.8

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2012-3991?

    CVE-2012-3991 has a moderate severity rating due to its potential to bypass the Same Origin Policy.

  • How do I fix CVE-2012-3991?

    To fix CVE-2012-3991, update your affected Mozilla Firefox, Thunderbird, or SeaMonkey to the latest version.

  • Which software is affected by CVE-2012-3991?

    CVE-2012-3991 affects Mozilla Firefox before version 16.0, Thunderbird before version 16.0, and SeaMonkey before version 2.13.

  • Can CVE-2012-3991 be exploited remotely?

    Yes, CVE-2012-3991 can be exploited remotely by attackers to bypass security measures.

  • Is CVE-2012-3991 still a risk in updated software?

    No, CVE-2012-3991 is mitigated in versions of the affected software released after the updates addressing this vulnerability.

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