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If through a vulnerability assessment, a network security issue is detected for the vulnerability below, applying the appropriate security patches in a timely matter is very important.  If you have detected that your system has already been compromised, following CERT's Network Security recovery document will assist with recommended steps for system recovery.

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Vulnerability Assessment Details

Oracle tnslsnr version query

Vulnerability Assessment Summary
connects and issues a TNS VERSION command

Detailed Explanation for this Vulnerability Assessment

Summary :

The Oracle tnslsnr service is listening on the remote port.

Description :

The remote host is running the Oracle tnslsnr, a network
interface to the remote Oracle database. This product permits
a remote user to acertain the existence and version number
of a given Oracle installation.

In addition, older versions of this service may let a possible hacker
write to arbitrary files on the remote host.

Solution :

Filter incoming traffic to this port so that only authorized
hosts can connect to it.

See also :

Network Security Threat Level:


Networks Security ID: 1853

Vulnerability Assessment Copyright: James W. Abendschan (GPL)

Cables, Connectors


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