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9.3
CVSSv2

CVE-2012-3989

Published: 10/10/2012 Updated: 27/08/2020
CVSS v2 Base Score: 9.3 | Impact Score: 10 | Exploitability Score: 8.6
VMScore: 828
Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C
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Vulnerability Summary

Mozilla Firefox prior to 16.0, Thunderbird prior to 16.0, and SeaMonkey prior to 2.13 do not properly perform a cast of an unspecified variable during use of the instanceof operator on a JavaScript object, which allows remote malicious users to execute arbitrary code or cause a denial of service (assertion failure) via a crafted web site.

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Vendor Advisories

Ubuntu Security Notice: firefox vulnerabilities
Multiple security issues were fixed in Firefox ...
Ubuntu Security Notice: thunderbird vulnerabilities
Several security issues were fixed in Thunderbird ...
Mozilla: Crash with invalid cast when using instanceof operator
Mozilla Foundation Security Advisory 2012-80 Crash with invalid cast when using instanceof operator Announced October 9, 2012 Reporter Ms2ger Impact Critical Products Firefox, SeaMonkey, Thunderbird Fixed in ...

References

CWE-119http://www.mozilla.org/security/announce/2012/mfsa2012-80.htmlhttps://bugzilla.mozilla.org/show_bug.cgi?id=783867http://www.ubuntu.com/usn/USN-1611-1http://lists.opensuse.org/opensuse-security-announce/2012-10/msg00010.htmlhttp://osvdb.org/86097http://secunia.com/advisories/50984http://secunia.com/advisories/50904http://secunia.com/advisories/50935http://secunia.com/advisories/50856http://secunia.com/advisories/50892https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16814https://nvd.nist.govhttps://usn.ubuntu.com/1600-1/
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