CVE-2009-1840

Description

Mozilla Firefox before 3.0.11, Thunderbird, and SeaMonkey do not check content policy before loading a script file into a XUL document, which allows remote attackers to bypass intended access restrictions via a crafted HTML document, as demonstrated by a "web bug" in an e-mail message, or web script or an advertisement in a web page.

Category

9.3
CVSS
Severity: Critical
CVSS 2.0 •
EPSS 1.39% Top 25%
Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory mandriva.com Vendor Advisory redhat.com Vendor Advisory slackware.com Vendor Advisory debian.org Vendor Advisory sun.com Vendor Advisory secunia.com Vendor Advisory secunia.com Vendor Advisory secunia.com Vendor Advisory secunia.com Vendor Advisory mozilla.org Vendor Advisory vupen.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.vupen.com/english/advisories/2009/1572 vdb entry patch vendor advisory
http://www.securityfocus.com/bid/35326 vdb entry patch
https://exchange.xforce.ibmcloud.com/vulnerabilities/51076 vdb entry
http://www.mozilla.org/security/announce/2009/mfsa2009-31.html vendor advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=477979
http://osvdb.org/55158 vdb entry
http://secunia.com/advisories/35440 third party advisory vendor advisory
https://www.redhat.com/archives/fedora-package-announce/2009-June/msg00657.html vendor advisory
http://secunia.com/advisories/35431 third party advisory vendor advisory
http://secunia.com/advisories/35331 third party advisory vendor advisory
http://secunia.com/advisories/35468 third party advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9448 vdb entry signature
http://secunia.com/advisories/35439 third party advisory vendor advisory
https://www.redhat.com/archives/fedora-package-announce/2009-June/msg00574.html vendor advisory
http://www.mandriva.com/security/advisories?name=MDVSA-2009:141 vendor advisory
http://secunia.com/advisories/35415 third party advisory
http://www.securitytracker.com/id?1022379 vdb entry
https://rhn.redhat.com/errata/RHSA-2009-1095.html vendor advisory
http://slackware.com/security/viewer.php?l=slackware-security&y=2009&m=slackware-security.372468 vendor advisory
http://www.debian.org/security/2009/dsa-1820 vendor advisory
http://sunsolve.sun.com/search/document.do?assetkey=1-66-264308-1 vendor advisory
https://bugzilla.redhat.com/show_bug.cgi?id=503582

Frequently Asked Questions

What is the severity of CVE-2009-1840?
CVE-2009-1840 has been scored as a critical severity vulnerability.
How to fix CVE-2009-1840?
To fix CVE-2009-1840, 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-2009-1840 being actively exploited in the wild?
It is possible that CVE-2009-1840 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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