Heap-based buffer overflow in the IMAP service in Qbik WinGate 6.2.2.1137 and earlier allows remote authenticated users to cause a denial of service (resource exhaustion) or possibly execute arbitrary code via a long argument to the LIST command. NOTE: some of these details are obtained from third party information.

Format string vulnerability in the SMTP server component in Qbik WinGate 5.x and 6.x before 6.2.2 allows remote attackers to cause a denial of service (service crash) via format string specifiers in certain unexpected commands, which trigger a crash during error logging.

WinGate 5.2.3 build 901 and 6.0 beta 2 build 942, and other versions such as 5.0.5, allows remote attackers to read arbitrary files via leading slash (//) characters in a URL request to the wingate-internal directory.

WinGate 5.2.3 build 901 and 6.0 beta 2 build 942, and other versions such as 5.0.5, allows remote attackers to read arbitrary files from the root directory via a URL request to the wingate-internal directory.