Multiple stack-based buffer overflows in the SignKorea SKCrypAX ActiveX control module 5.4.1.2 allow remote attackers to execute arbitrary code via a long string in unspecified arguments to the (1) DownloadCert, (2) DecryptFileByKey, and (3) EncryptFileByKey functions, a different module and vectors than CVE-2007-1722. NOTE: the provenance of this information is unknown; the details are obtained solely from third party information.