The ChilkatHttp.ChilkatHttp.1 and ChilkatHttp.ChilkatHttpRequest.1 ActiveX controls in ChilkatHttp.dll 2.4.0.0, 2.3.0.0, and earlier in ChilkatHttp ActiveX expose the unsafe SaveLastError method, which allows remote attackers to overwrite arbitrary files. NOTE: some of these details are obtained from third party information.
secunia.com/advisories/29581
www.securityfocus.com/bid/28546
www.shinnai.altervista.org/index.php?mod=02_Forum&group=Security&argument=Remote_performed_exploits&topic=1207033569.ff.php
www.vupen.com/english/advisories/2008/1050/references
exchange.xforce.ibmcloud.com/vulnerabilities/45988
www.exploit-db.com/exploits/5338