Title: Denicomp rshd Denial of Service Vulnerability
Severity: MODERATE
Description:
Denicom's rshd is a Remote Exec daemon for Windows NT and 9x.
The daemon listens for connections coming from a remote host via rsh over TCP/IP.
Upon receiving a connection, rshd validates access, then executes the specified program.
A denial of service vulnerability exists in Denicom's ports of the rsh daemon.
If an abnormally long sequence of characters (at least 4300 bytes) is sent to the port on which the daemon is listening (by default, :514), the service will terminate, and require a restart.
Affected Products:
- Denicomp Winsock RSHD/95 2.13.0 (Win 9x)
- Denicomp Winsock RSHD/95 2.14.0 (Win 9x)
- Denicomp Winsock RSHD/95 2.15.0 (Win 9x)
- Denicomp Winsock RSHD/95 2.16.0 (Win 9x)
- Denicomp Winsock RSHD/95 2.17.0 (Win 9x)
- Denicomp Winsock RSHD/95 2.18.0 (Win 9x)
- Denicomp Winsock RSHD/NT 2.12.0 (Alpha)
- Denicomp Winsock RSHD/NT 2.12.0 (Intel)
- Denicomp Winsock RSHD/NT 2.13.0 (Alpha)
- Denicomp Winsock RSHD/NT 2.13.0 (Intel)
- Denicomp Winsock RSHD/NT 2.14.0 (Alpha)
- Denicomp Winsock RSHD/NT 2.14.0 (Intel)
- Denicomp Winsock RSHD/NT 2.15.0 (Alpha)
- Denicomp Winsock RSHD/NT 2.15.0 (Intel)
- Denicomp Winsock RSHD/NT 2.16.0 (Alpha)
- Denicomp Winsock RSHD/NT 2.16.0 (Intel)
- Denicomp Winsock RSHD/NT 2.17.0 (Intel)
- Denicomp Winsock RSHD/NT 2.17.0.07 (Alpha)
- Denicomp Winsock RSHD/NT 2.17.1 (Intel)
- Denicomp Winsock RSHD/NT 2.17.2 (Intel)
- Denicomp Winsock RSHD/NT 2.17.3 (Intel)
- Denicomp Winsock RSHD/NT 2.17.4 (Intel)
- Denicomp Winsock RSHD/NT 2.17.5 (Intel)
- Denicomp Winsock RSHD/NT 2.17.6 (Intel)
- Denicomp Winsock RSHD/NT 2.17.7 (Alpha)
- Denicomp Winsock RSHD/NT 2.17.7 (Intel)
- Denicomp Winsock RSHD/NT 2.18.0.00 (Intel)
References:
- Denicomp: Denicomp Products Page
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