medium
4.3
CWE
200
Advisory Published
Updated

CVE-2012-3976: Infoleak

First published: Wed Aug 29 2012(Updated: )

Mozilla Firefox before 15.0, Firefox ESR 10.x before 10.0.7, and SeaMonkey before 2.12 do not properly handle onLocationChange events during navigation between different https sites, which allows remote attackers to spoof the X.509 certificate information in the address bar via a crafted web page.

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

Affected SoftwareAffected VersionHow to fix
Firefox<15.0
Firefox>=10.0<10.0.7
Mozilla SeaMonkey<2.12
SUSE Linux=12.2
SUSE Linux Enterprise Desktop=10-sp4
SUSE Linux Enterprise Desktop=11-sp2
SUSE Linux Enterprise Server=10-sp4
SUSE Linux Enterprise Server=11-sp2
SUSE Linux Enterprise Server=11-sp2
SUSE Linux Enterprise Software Development Kit=11-sp2
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 Server=6.3
Red Hat Enterprise Linux Workstation=5.0
Red Hat Enterprise Linux Workstation=6.0
Ubuntu=10.04
Ubuntu=11.04
Ubuntu=11.10
Ubuntu=12.04
Firefox ESR>=10.0<10.0.7

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2012-3976?

    CVE-2012-3976 is rated as a high severity vulnerability due to the potential for remote attackers to spoof X.509 certificate information.

  • How do I fix CVE-2012-3976?

    To fix CVE-2012-3976, update Mozilla Firefox to version 15.0 or later, or upgrade to Firefox ESR version 10.0.7 or later.

  • What versions of Firefox are affected by CVE-2012-3976?

    CVE-2012-3976 affects Mozilla Firefox versions prior to 15.0 and Firefox ESR versions 10.x before 10.0.7.

  • Can SeaMonkey users be affected by CVE-2012-3976?

    Yes, SeaMonkey versions before 2.12 are also affected by CVE-2012-3976 and should be updated to a newer version.

  • What is the impact of CVE-2012-3976 on users?

    The impact of CVE-2012-3976 allows remote attackers to deceive users by spoofing certificate information in the address bar, potentially leading to phishing attacks.

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