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Denicomp rshd和rexecd存在拒绝服务攻击
发布时间：2001-05-10
更新时间：2001-05-10
严重程度：中
威胁程度：远程拒绝服务
错误类型：输入验证错误
利用方式：服务器模式
受影响系统Denicomp Winsock RSHD/95 2.18 (Win 9x)
- Microsoft Windows 98
- Microsoft Windows 95
Denicomp Winsock RSHD/95 2.17 (Win 9x)
- Microsoft Windows 98
- Microsoft Windows 95
Denicomp Winsock RSHD/95 2.16 (Win 9x)
- Microsoft Windows 98
- Microsoft Windows 95
Denicomp Winsock RSHD/95 2.15 (Win 9x)
- Microsoft Windows 98
- Microsoft Windows 95
Denicomp Winsock RSHD/95 2.14 (Win 9x)
- Microsoft Windows 98
- Microsoft Windows 95
Denicomp Winsock RSHD/95 2.13 (Win 9x)
- Microsoft Windows 98
- Microsoft Windows 95
Denicomp Winsock RSHD/NT 2.18.00 (Intel)
- Microsoft Windows NT 4.0
- Microsoft Windows 2000
Denicomp Winsock RSHD/NT 2.17.7 (Intel)
- Microsoft Windows NT 4.0
- Microsoft Windows NT 3.5.1
- Microsoft Windows 2000
Denicomp Winsock RSHD/NT 2.17.7 (Alpha)
- Microsoft Windows NT 4.0
- Microsoft Windows NT 3.5.1
- Microsoft Windows 2000
Denicomp Winsock RSHD/NT 2.17.6 (Intel)
- Microsoft Windows NT 4.0
- Microsoft Windows NT 3.5.1
- Microsoft Windows 2000
Denicomp Winsock RSHD/NT 2.17.5 (Intel)
- Microsoft Windows NT 4.0
- Microsoft Windows NT 3.5.1
- Microsoft Windows 2000
Denicomp Winsock RSHD/NT 2.17.4 (Intel)
- Microsoft Windows NT 4.0
- Microsoft Windows NT 3.5.1
- Microsoft Windows 2000
Denicomp Winsock RSHD/NT 2.17.3 (Intel)
- Microsoft Windows NT 4.0
- Microsoft Windows NT 3.5.1
- Microsoft Windows 2000
Denicomp Winsock RSHD/NT 2.17.2 (Intel)
- Microsoft Windows NT 4.0
- Microsoft Windows NT 3.5.1
- Microsoft Windows 2000
Denicomp Winsock RSHD/NT 2.17.1 (Intel)
- Microsoft Windows NT 4.0
- Microsoft Windows NT 3.5.1
- Microsoft Windows 2000
Denicomp Winsock RSHD/NT 2.17.07 (Alpha)
- Microsoft Windows NT 4.0
- Microsoft Windows 2000
Denicomp Winsock RSHD/NT 2.17 (Intel)
- Microsoft Windows NT 4.0
- Microsoft Windows NT 3.5.1
- Microsoft Windows 2000
Denicomp Winsock RSHD/NT 2.16 (Intel)
- Microsoft Windows NT 4.0
- Microsoft Windows NT 3.5.1
- Microsoft Windows 2000
Denicomp Winsock RSHD/NT 2.16 (Alpha)
- Microsoft Windows NT 4.0
- Microsoft Windows NT 3.5.1
- Microsoft Windows 2000
Denicomp Winsock RSHD/NT 2.15 (Intel)
- Microsoft Windows NT 4.0
- Microsoft Windows NT 3.5.1
- Microsoft Windows 2000
Denicomp Winsock RSHD/NT 2.15 (Alpha)
- Microsoft Windows NT 4.0
- Microsoft Windows NT 3.5.1
- Microsoft Windows 2000
Denicomp Winsock RSHD/NT 2.14 (Intel)
- Microsoft Windows NT 4.0
- Microsoft Windows NT 3.5.1
- Microsoft Windows 2000
Denicomp Winsock RSHD/NT 2.14 (Alpha)
- Microsoft Windows NT 4.0
- Microsoft Windows NT 3.5.1
- Microsoft Windows 2000
Denicomp Winsock RSHD/NT 2.13 (Intel)
- Microsoft Windows NT 4.0
- Microsoft Windows NT 3.5.1
- Microsoft Windows 2000
Denicomp Winsock RSHD/NT 2.13 (Alpha)
- Microsoft Windows NT 4.0
- Microsoft Windows NT 3.5.1
- Microsoft Windows 2000
Denicomp Winsock RSHD/NT 2.12 (Intel)
- Microsoft Windows NT 4.0
- Microsoft Windows NT 3.5.1
- Microsoft Windows 2000
Denicomp Winsock RSHD/NT 2.12 (Alpha)
- Microsoft Windows NT 4.0
- Microsoft Windows NT 3.5.1
- Microsoft Windows 2000 详细描述
rsh和rexecd在UNXI系统中允许非交互运行程序，其中需要对方机器上运行rshd
和rexecd，并监听通过TCP/IP传过来的命令，一旦连接，便检查合法访问性并执行
程序。Denicomp是一个RSHD 移植到WINNT和9X上的版本，如果一段超长的字符串
发送到监听断口，服务就会停止，可以导致不响应任何连接。
测试代码
尚无
解决方案
尚无
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