CVE-2012-3991

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.

Category

9.3
CVSS
Severity: Critical
CVSS 2.0 •
EPSS 1.92% Top 20%
Vendor Advisory debian.org Vendor Advisory debian.org Vendor Advisory redhat.com Vendor Advisory opensuse.org Vendor Advisory mandriva.com Vendor Advisory ubuntu.com Vendor Advisory debian.org Vendor Advisory mozilla.org Vendor Advisory mozilla.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://secunia.com/advisories/50904 third party advisory
http://secunia.com/advisories/50984 third party advisory
http://secunia.com/advisories/50935 third party advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=783260 vendor advisory issue tracking
http://secunia.com/advisories/50856 third party advisory
http://www.debian.org/security/2012/dsa-2565 third party advisory vendor advisory
http://secunia.com/advisories/50892 third party advisory
http://www.securityfocus.com/bid/55930 third party advisory vdb entry
http://www.debian.org/security/2012/dsa-2572 third party advisory vendor advisory
http://rhn.redhat.com/errata/RHSA-2012-1351.html third party advisory vendor advisory
http://www.mozilla.org/security/announce/2012/mfsa2012-81.html vendor advisory
http://osvdb.org/86098 vdb entry broken link
http://secunia.com/advisories/50936 third party advisory
http://secunia.com/advisories/51181 third party advisory
http://secunia.com/advisories/55318 third party advisory
http://lists.opensuse.org/opensuse-security-announce/2012-10/msg00010.html vendor advisory mailing list third party advisory
http://www.mandriva.com/security/advisories?name=MDVSA-2012:163 third party advisory vendor advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16646 signature third party advisory vdb entry
http://www.ubuntu.com/usn/USN-1611-1 third party advisory vendor advisory
http://www.debian.org/security/2012/dsa-2569 third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2012-3991?
CVE-2012-3991 has been scored as a critical severity vulnerability.
How to fix CVE-2012-3991?
To fix CVE-2012-3991, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2012-3991 being actively exploited in the wild?
It is possible that CVE-2012-3991 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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