CVE-2012-3991

Critical

Description

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.

SeverityCritical
CVSS9.3
Exploit probability—
ProductMozilla Firefox
PublishedOct 10, 2012
First seenOct 10, 2012

How to fix

Update
  • mozilla firefox10.0.8, 16.0 or later
  • mozilla thunderbird_esr10.0.8 or later
  • mozilla thunderbird16.0 or later
  • mozilla seamonkey2.13 or later

Affected products

ProductAffected versionsFixed in
mozilla firefoxv < 10.0.8, v < 16.010.0.8, 16.0
mozilla thunderbird_esrv < 10.0.810.0.8
mozilla thunderbirdv < 16.016.0
mozilla seamonkeyv < 2.132.13
canonical ubuntu_linux10.04, 11.04, 11.10, 12.04—
redhat enterprise_linux_desktop5.0, 6.0—
redhat enterprise_linux_eus6.3—
redhat enterprise_linux_server5.0, 6.0—
redhat enterprise_linux_workstation5.0, 6.0—
suse linux_enterprise_desktop10, 11—
suse linux_enterprise_sdk10—
suse linux_enterprise_server10, 11—

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.