CVE-2013-0773

Description

The Chrome Object Wrapper (COW) and System Only Wrapper (SOW) implementations in Mozilla Firefox before 19.0, Firefox ESR 17.x before 17.0.3, Thunderbird before 17.0.3, Thunderbird ESR 17.x before 17.0.3, and SeaMonkey before 2.16 do not prevent modifications to a prototype, which allows remote attackers to obtain sensitive information from chrome objects or possibly execute arbitrary JavaScript code with chrome privileges via a crafted web site.

9.3

CVSS

Severity: Critical

CVSS 2.0 •

EPSS 1.09% Top 25%

Vendor Advisory debian.org Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory mozilla.org Vendor Advisory mozilla.org

Affected: n/a n/a

References

Link	Tags
http://www.debian.org/security/2013/dsa-2699	third party advisory vendor advisory
http://www.ubuntu.com/usn/USN-1729-1	third party advisory vendor advisory
http://www.ubuntu.com/usn/USN-1729-2	third party advisory vendor advisory
http://www.ubuntu.com/usn/USN-1748-1	third party advisory vendor advisory
http://www.mozilla.org/security/announce/2013/mfsa2013-24.html	vendor advisory
http://lists.opensuse.org/opensuse-updates/2013-02/msg00062.html	vendor advisory mailing list third party advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16861	signature third party advisory vdb entry
http://lists.opensuse.org/opensuse-security-announce/2013-02/msg00017.html	vendor advisory mailing list third party advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=809652	patch vendor advisory issue tracking

Frequently Asked Questions

What is the severity of CVE-2013-0773?: CVE-2013-0773 has been scored as a critical severity vulnerability.
How to fix CVE-2013-0773?: To fix CVE-2013-0773, 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-2013-0773 being actively exploited in the wild?: It is possible that CVE-2013-0773 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.