CVE-2009-2816

Description

The implementation of Cross-Origin Resource Sharing (CORS) in WebKit, as used in Apple Safari before 4.0.4 and Google Chrome before 3.0.195.33, includes certain custom HTTP headers in the OPTIONS request during cross-origin operations with preflight, which makes it easier for remote attackers to conduct cross-site request forgery (CSRF) attacks via a crafted web page.

Category

6.8
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 2.15% Top 20%
Vendor Advisory apple.com Vendor Advisory redhat.com Vendor Advisory opensuse.org Vendor Advisory redhat.com Vendor Advisory apple.com Vendor Advisory apple.com Vendor Advisory apple.com Vendor Advisory vupen.com Vendor Advisory vupen.com Vendor Advisory vupen.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://secunia.com/advisories/43068 third party advisory
http://www.vupen.com/english/advisories/2009/3233 vdb entry vendor advisory
http://lists.apple.com/archives/security-announce/2009/Nov/msg00001.html mailing list patch vendor advisory
http://www.vupen.com/english/advisories/2009/3217 vdb entry vendor advisory
http://www.vupen.com/english/advisories/2011/0212 vdb entry vendor advisory
http://support.apple.com/kb/HT4225 vendor advisory
https://www.redhat.com/archives/fedora-package-announce/2009-November/msg00545.html third party advisory vendor advisory
http://osvdb.org/59967 vdb entry broken link
http://www.securityfocus.com/bid/36997 vdb entry third party advisory
http://support.apple.com/kb/HT3949 patch vendor advisory
http://www.securitytracker.com/id?1023165 vdb entry third party advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6516 vdb entry third party advisory signature
http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00006.html third party advisory vendor advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/54239 vdb entry third party advisory
https://bugzilla.redhat.com/show_bug.cgi?id=525789 issue tracking third party advisory
https://www.redhat.com/archives/fedora-package-announce/2009-November/msg00549.html third party advisory vendor advisory
http://secunia.com/advisories/37358 third party advisory
http://osvdb.org/59940 vdb entry broken link
http://secunia.com/advisories/37397 third party advisory
http://secunia.com/advisories/37393 third party advisory
http://lists.apple.com/archives/security-announce/2010/Jun/msg00003.html mailing list vendor advisory
http://secunia.com/advisories/37346 third party advisory

Frequently Asked Questions

What is the severity of CVE-2009-2816?
CVE-2009-2816 has been scored as a medium severity vulnerability.
How to fix CVE-2009-2816?
To fix CVE-2009-2816, 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-2009-2816 being actively exploited in the wild?
It is possible that CVE-2009-2816 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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