QVT FTP server login overflow denial of service
| qvtterm-login-dos (3491) |  Medium Risk |
Description:
The FTP server that ships with the QVC suites, developed by QPC is vulnerable to a denial of service caused by a buffer overflow in the login function. A remote attacker can send a username or password pair that contains over 2000 characters, and then reconnect to the server, to overflow a buffer and crash the FTP server. The server must be restarted to regain functionality.
Consequences:
Denial of Service
Remedy:
No remedy available as of July 9, 2011.
References:
- Underground Security Systems Research advisory USSR-1999010: Remote DoS Attack in QVT/Term 'Plus' 4.2d FTP Server Vulnerability.
- BID-796: QPC QVT Suite FTP Server DoS Vulnerability
- CVE-1999-1539: Buffer overflow in FTP server in QPC Software's QVT/Term Plus versions 4.2d and 4.3 and QVT/Net 4.3 allows remote attackers to cause a denial of service, and possibly execute arbitrary commands, via a long (1) user name or (2) password.
Platforms Affected:
- Microsoft Windows 95
- Microsoft Windows 98
- Microsoft Windows 98SE
- Microsoft Windows NT 4.0
- QPC Software QVT/Term Plus FTP Server 4.2d
Reported:
Nov 10, 1999
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