4d webstar up to 5.3.3 symbolic link vulnerability.plugin

全面网络扫描器VB源代码 很实用

<plugin_id>100</plugin_id>
<plugin_name>4D WebStar up to 5.3.3 symbolic link vulnerability</plugin_name>
<plugin_family>HTTP</plugin_family>
<plugin_created_date>2004/08/16</plugin_created_date>
<plugin_created_name>Marc Ruef</plugin_created_name>
<plugin_created_email>marc dot ruef at computec dot ch</plugin_created_email>
<plugin_created_web>http://www.computec.ch</plugin_created_web>
<plugin_created_company>computec.ch</plugin_created_company>
<plugin_updated_name>Marc Ruef</plugin_updated_name>
<plugin_updated_email>marc dot ruef at computec dot ch</plugin_updated_email>
<plugin_updated_web>http://www.computec.ch</plugin_updated_web>
<plugin_updated_company>computec.ch</plugin_updated_company>
<plugin_updated_date>2004/11/14</plugin_updated_date>
<plugin_version>2.0</plugin_version>
<plugin_changelog>Deleted a not needed sleep command before the send command in version 1.1. Corrected the plugin structure and added the accuracy values in 1.2. Improved the pattern matching and introduced the plugin changelog in 2.0</plugin_changelog>
<plugin_protocol>tcp</plugin_protocol>
<plugin_port>80</plugin_port>
<plugin_procedure_detection>open|send GET  HTTP/1.0\n\n|sleep|close|pattern_exists HTTP/#.# ### *Server: 4D_WebSTAR*</plugin_procedure_detection>
<plugin_detection_accuracy>70</plugin_detection_accuracy>
<plugin_comment>Check is copied from the Nessus plugin (see Nessus ID listed in the sources).</plugin_comment>
<bug_published_company>@stake inc.</bug_published_company>
<bug_published_date>2004/07/13</bug_published_date>
<bug_advisory>http://www.securityfocus.com/archive/1/368778</bug_advisory>
<bug_produced_name>4D</bug_produced_name>
<bug_produced_email>info at 4d dot com</bug_produced_email>
<bug_produced_web>http://www.4d.com</bug_produced_web>
<bug_affected>4D WebSTAR 4.0 to 4D WebSTAR 5.3.2</bug_affected>
<bug_not_affected>4D WebSTAR 5.3.3 and newer</bug_not_affected>
<bug_vulnerability_class>Symlink</bug_vulnerability_class>
<bug_description>The remote server is running 4D WebStar FTP Server. 4D WebStar is reportedly vulnerable to a local symbolic link vulnerability. This issue is due to a design error that causes the application to open files without properly verifying their existence or their absolute location. Successful exploitation of this issue will allow an attacker to write to arbitrary files writable by the affected application, facilitating privilege escalation.</bug_description>
<bug_solution>Upgrade to 4D WebStar 5.3.3 or newer. The server should be deactivated or de-installed if not necessary. To make it harder to find the server the daemon could be configured to listen at another port (e.g. 8081). Try to prevent unwanted connection attempts by filtering traffic with firewalling. Alternation of the application banner can confuse an attacker and let him determine the wrong software.</bug_solution>
<bug_fixing_time>Approx. 2 hours</bug_fixing_time>
<bug_exploit_availability>Yes</bug_exploit_availability>
<bug_exploit_url>http://www.securityfocus.com/bid/10714/exploit/</bug_exploit_url>
<bug_remote>Yes</bug_remote>
<bug_local>Yes</bug_local>
<bug_severity>Low</bug_severity>
<bug_popularity>3</bug_popularity>
<bug_simplicity>5</bug_simplicity>
<bug_impact>6</bug_impact>
<bug_risk>4</bug_risk>
<bug_nessus_risk>Low</bug_nessus_risk>
<bug_check_tool>Nessus</bug_check_tool>
<source_securityfocus_bid>10714</source_securityfocus_bid>
<source_nessus_id>14241</source_nessus_id>
<source_literature>Hacking Exposed: Network Security Secrets & Solutions, Stuart McClure, Joel Scambray and George Kurtz, February 25, 2003, 4th Edition, McGraw-Hill Osborne Media, ISBN 0072227427</source_literature>
<source_misc>http://www.computec.ch</source_misc>