CVE-2011-2362

Description

Mozilla Firefox before 3.6.18, Thunderbird before 3.1.11, and SeaMonkey through 2.0.14 do not distinguish between cookies for two domain names that differ only in a trailing dot, which allows remote web servers to bypass the Same Origin Policy via Set-Cookie headers.

Category

5.0
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 1.23% Top 25%
Vendor Advisory mandriva.com Vendor Advisory ubuntu.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory debian.org Vendor Advisory redhat.com Vendor Advisory debian.org Vendor Advisory opensuse.org Vendor Advisory redhat.com Vendor Advisory debian.org Vendor Advisory mozilla.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.mandriva.com/security/advisories?name=MDVSA-2011:111 vendor advisory
http://secunia.com/advisories/45002 third party advisory
http://support.avaya.com/css/P8/documents/100145333
http://www.ubuntu.com/usn/USN-1149-1 vendor advisory
http://www.mozilla.org/security/announce/2011/mfsa2011-24.html vendor advisory
http://support.avaya.com/css/P8/documents/100144854
http://www.redhat.com/support/errata/RHSA-2011-0887.html vendor advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=616264
http://www.redhat.com/support/errata/RHSA-2011-0885.html vendor advisory
http://www.debian.org/security/2011/dsa-2268 vendor advisory
http://www.redhat.com/support/errata/RHSA-2011-0888.html vendor advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A13693 vdb entry signature
http://www.debian.org/security/2011/dsa-2269 vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2011-07/msg00001.html vendor advisory
http://www.redhat.com/support/errata/RHSA-2011-0886.html vendor advisory
http://www.debian.org/security/2011/dsa-2273 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2011-2362?
CVE-2011-2362 has been scored as a medium severity vulnerability.
How to fix CVE-2011-2362?
To fix CVE-2011-2362, 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-2011-2362 being actively exploited in the wild?
It is possible that CVE-2011-2362 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.
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