CVE-2009-3984

Description

Mozilla Firefox before 3.0.16 and 3.5.x before 3.5.6, and SeaMonkey before 2.0.1, allows remote attackers to spoof an SSL indicator for an http URL or a file URL by setting document.location to an https URL corresponding to a site that responds with a No Content (aka 204) status code and an empty body.

6.8

CVSS

Severity: Medium

CVSS 2.0 •

EPSS 2.58% Top 20%

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Affected: n/a n/a

References

Link	Tags
http://securitytracker.com/id?1023343	vdb entry
http://secunia.com/advisories/37704	third party advisory vendor advisory
http://secunia.com/advisories/37699	third party advisory vendor advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8379	vdb entry signature
http://securitytracker.com/id?1023342	vdb entry
http://www.vupen.com/english/advisories/2009/3547	vdb entry patch vendor advisory
http://secunia.com/advisories/37703	third party advisory vendor advisory
http://secunia.com/advisories/37881	third party advisory
https://www.redhat.com/archives/fedora-package-announce/2009-December/msg01034.html	vendor advisory
http://secunia.com/advisories/37785	third party advisory vendor advisory
http://www.ubuntu.com/usn/USN-874-1	vendor advisory
https://bugzilla.redhat.com/show_bug.cgi?id=546722
http://secunia.com/advisories/37813	third party advisory
https://www.redhat.com/archives/fedora-package-announce/2009-December/msg00995.html	vendor advisory
http://www.ubuntu.com/usn/USN-873-1	vendor advisory
http://www.securityfocus.com/bid/37349	vdb entry
https://rhn.redhat.com/errata/RHSA-2009-1674.html	vendor advisory
https://www.redhat.com/archives/fedora-package-announce/2009-December/msg01041.html	vendor advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/54806	vdb entry
http://www.debian.org/security/2009/dsa-1956	vendor advisory
http://www.mozilla.org/security/announce/2009/mfsa2009-69.html	patch vendor advisory
http://secunia.com/advisories/37856	third party advisory
https://rhn.redhat.com/errata/RHSA-2009-1673.html	vendor advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=521461
http://www.novell.com/linux/security/advisories/2009_63_firefox.html	vendor advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9791	vdb entry signature
http://www.securityfocus.com/bid/37367	vdb entry

Frequently Asked Questions

What is the severity of CVE-2009-3984?: CVE-2009-3984 has been scored as a medium severity vulnerability.
How to fix CVE-2009-3984?: To fix CVE-2009-3984, 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-2009-3984 being actively exploited in the wild?: It is possible that CVE-2009-3984 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~3% probability that this vulnerability will be exploited by malicious actors in the next 30 days.