code/sitefeatures/PageCommentInterface.php in SilverStripe 2.4.x before 2.4.6 might allow remote attackers to execute arbitrary code via a crafted cookie in a user comment submission, which is not properly handled when it is deserialized.

References

• https://nvd.nist.gov/vuln/detail/CVE-2011-4962
• http://www.openwall.com/lists/oss-security/2012/04/30/1
• http://www.openwall.com/lists/oss-security/2012/04/30/3
• silverstripe/silverstripe-cms@d15e850
• https://web.archive.org/web/20120621234353/http://doc.silverstripe.org/framework/en/trunk/changelogs/2.4.6