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Pico Server Multiple Vulnerabilities
Secunia Advisory: SA15387
Release Date: 2005-05-17
Popularity: 5,343 views

Critical:
Highly critical
Impact: Exposure of sensitive information
System access
Where: From remote
Solution Status: Vendor Patch

Software:Pico Server (pServ) 3.x

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CVE reference:CVE-2005-1365
CVE-2005-1366
CVE-2005-1367


Description:
RedTeam has reported some vulnerabilities Pico Server, which can be exploited by malicious, local users to gain knowledge of sensitive information, or by malicious people to gain knowledge of potentially sensitive information or compromise a vulnerable system.

1) An input validation error in the CGI-BIN support can be exploited to disclose the contents of files in the "cgi-bin/" directory or execute arbitrary commands on a vulnerable system via directory traversal attacks.

Successful exploitation requires that the application has been compiled with CGI-BIN support.

2) A malicious, local user with permissions to create files in the web root can disclose the contents of arbitrary files with the privileges of Pico Server via symlinks.

Solution:
Update to version 3.3 and grant only trusted users permissions to create files in the web root.

Provided and/or discovered by:
RedTeam

Original Advisory:
RedTeam:
http://tsyklon.informatik.rwth-aachen.de/redteam/advisories/rt-sa-2005-010.txt
http://tsyklon.informatik.rwth-aachen.de/redteam/advisories/rt-sa-2005-011.txt
http://tsyklon.informatik.rwth-aachen.de/redteam/advisories/rt-sa-2005-012.txt


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