critical
9.3
CWE
416
Advisory Published
Updated

CVE-2013-0756: Use After Free

First published: Sun Jan 13 2013(Updated: )

Use-after-free vulnerability in the obj_toSource function in Mozilla Firefox before 18.0, Firefox ESR 17.x before 17.0.2, Thunderbird before 17.0.2, Thunderbird ESR 17.x before 17.0.2, and SeaMonkey before 2.15 allows remote attackers to execute arbitrary code via a crafted web page referencing JavaScript Proxy objects that are not properly handled during garbage collection.

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

Affected SoftwareAffected VersionHow to fix
Firefox<17.0.2
Firefox<18.0
Mozilla SeaMonkey<2.15
Thunderbird<17.0.2
Mozilla Thunderbird<17.0.2
openSUSE=11.4
openSUSE=12.1
openSUSE=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=10-sp4
SUSE Linux Enterprise Software Development Kit=11-sp2
Ubuntu=10.04
Ubuntu=11.10
Ubuntu=12.04
Ubuntu=12.10
Firefox ESR<17.0.2

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2013-0756?

    CVE-2013-0756 is classified as a critical vulnerability that can lead to remote code execution.

  • How does CVE-2013-0756 exploit a vulnerability in Mozilla applications?

    CVE-2013-0756 exploits a use-after-free vulnerability in the obj_toSource function, potentially allowing attackers to execute arbitrary code.

  • Which versions of Mozilla Firefox are affected by CVE-2013-0756?

    CVE-2013-0756 affects Firefox versions prior to 18.0 and Firefox ESR versions prior to 17.0.2.

  • What steps can users take to mitigate the CVE-2013-0756 vulnerability?

    To mitigate CVE-2013-0756, users should upgrade to the latest version of Firefox, Thunderbird, or SeaMonkey.

  • Does CVE-2013-0756 affect other operating systems apart from Mozilla applications?

    Yes, CVE-2013-0756 can also impact users on certain SUSE and Ubuntu operating system versions.

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