CVE-2012-4207

Public Exploit

Description

The HZ-GB-2312 character-set implementation in Mozilla Firefox before 17.0, Firefox ESR 10.x before 10.0.11, Thunderbird before 17.0, Thunderbird ESR 10.x before 10.0.11, and SeaMonkey before 2.14 does not properly handle a ~ (tilde) character in proximity to a chunk delimiter, which allows remote attackers to conduct cross-site scripting (XSS) attacks via a crafted document.

Category

4.3
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 1.71% Top 20%
Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory opensuse.org Vendor Advisory ubuntu.com Vendor Advisory opensuse.org Vendor Advisory redhat.com Vendor Advisory debian.org Vendor Advisory redhat.com Vendor Advisory opensuse.org Vendor Advisory ubuntu.com Vendor Advisory opensuse.org Vendor Advisory mandriva.com Vendor Advisory opensuse.org Vendor Advisory debian.org 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://osvdb.org/87587 vdb entry broken link
http://www.ubuntu.com/usn/USN-1638-3 third party advisory vendor advisory
http://secunia.com/advisories/51370 third party advisory
http://www.ubuntu.com/usn/USN-1638-2 third party advisory vendor advisory
http://lists.opensuse.org/opensuse-updates/2012-11/msg00093.html mailing list third party advisory vendor advisory
http://www.ubuntu.com/usn/USN-1636-1 third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2013-01/msg00022.html mailing list third party advisory vendor advisory
http://rhn.redhat.com/errata/RHSA-2012-1483.html third party advisory vendor advisory
http://www.mozilla.org/security/announce/2012/mfsa2012-101.html vendor advisory
http://www.debian.org/security/2012/dsa-2584 third party advisory vendor advisory
http://www.palemoon.org/releasenotes-ng.shtml broken link
http://rhn.redhat.com/errata/RHSA-2012-1482.html third party advisory vendor advisory
http://secunia.com/advisories/51434 third party advisory
http://lists.opensuse.org/opensuse-updates/2012-11/msg00090.html mailing list third party advisory vendor advisory
http://secunia.com/advisories/51439 third party advisory
http://secunia.com/advisories/51440 third party advisory
http://www.ubuntu.com/usn/USN-1638-1 third party advisory vendor advisory
http://www.securityfocus.com/bid/56632 vdb entry third party advisory
http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00021.html mailing list third party advisory vendor advisory
http://secunia.com/advisories/51359 third party advisory
http://www.mandriva.com/security/advisories?name=MDVSA-2012:173 third party advisory vendor advisory
http://lists.opensuse.org/opensuse-updates/2012-11/msg00092.html mailing list third party advisory vendor advisory
http://secunia.com/advisories/51381 third party advisory
http://www.debian.org/security/2012/dsa-2583 third party advisory vendor advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/80179 vdb entry third party advisory
http://secunia.com/advisories/51369 third party advisory
http://secunia.com/advisories/51360 third party advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=801681 issue tracking patch vendor advisory exploit
http://www.debian.org/security/2012/dsa-2588 third party advisory vendor advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16955 vdb entry third party advisory signature

Frequently Asked Questions

What is the severity of CVE-2012-4207?
CVE-2012-4207 has been scored as a medium severity vulnerability.
How to fix CVE-2012-4207?
To fix CVE-2012-4207, 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-2012-4207 being actively exploited in the wild?
It is possible that CVE-2012-4207 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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