PHP <= 5.2.5 Safe Mode Bypass

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########################## WwW.BugReport.ir #########################################
#
#      AmnPardaz Security Research & Penetration Testing Group
#
# Title: PHP <= 5.2.5 Safe Mode Bypass
# Vendor: http://www.php.net
# Vulnerable Function: tempnam()
# Vulnerable Version: tested on 5.2.5 , 5.2.4 (prior versions also may be affected)
# Platform : any
# Exploitation: Local
# Exploit: Available
# Fix Available: No!
###################################################################################

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- Description:
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"PHP is a widely-used general-purpose scripting language that is especially suited for Web development and can be embedded into HTML."

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- Vulnerability:
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+--> Safe Mode Bypass
string tempnam ( string dir, string prefix )
Creates a file with a unique filename in the specified directory.
Quick review from the source shows that there is open_basedir check but not
Safe mode!
/main/php_open_temporary_file.c
See the related exploit for more details

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- POC
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http://www.bugreport.ir/?/22/exploit
Original advisory: http://www.bugreport.ir/?/22

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- Credit :
####################
AmnPardaz Security Research & Penetration Testing Group
Contact: admin[4t}bugreport{d0t]ir
WwW.BugReport.ir
WwW.AmnPardaz.com





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