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Last updated: 5/30/2016 4:52:23 AM

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Vulnerability Summary for CVE-2007-4850

Original release date: 01/24/2008
Last revised: 03/07/2011


curl/interface.c in the cURL library (aka libcurl) in PHP 5.2.4 and 5.2.5 allows context-dependent attackers to bypass safe_mode and open_basedir restrictions and read arbitrary files via a file:// request containing a \x00 sequence, a different vulnerability than CVE-2006-2563.


CVSS Severity (version 2.0):
CVSS v2 Base Score: 5.0 MEDIUM
Impact Subscore: 2.9
Exploitability Subscore: 10.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type: Allows unauthorized disclosure of information

Vendor Statements (disclaimer)

Official Statement from Red Hat (09/30/2009)
We do not consider these to be security issues. For more details see http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=169857#c1 and http://www.php.net/security-note.php

References to Advisories, Solutions, and Tools

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External Source: XF
Name: php-curlinit-security-bypass(39852)
Type: Patch Information
External Source: BID
Name: 29009
External Source: SREASON
Name: 3562
External Source: VUPEN
Name: ADV-2008-2268
External Source: CONFIRM
Name: http://wiki.rpath.com/wiki/Advisories:rPSA-2008-0178
External Source: MANDRIVA
Name: MDVSA-2009:023
External Source: UBUNTU
Name: USN-628-1
External Source: APPLE
Name: APPLE-SA-2008-07-31
External Source: CONFIRM
Name: http://support.apple.com/kb/HT3216
External Source: VUPEN
Name: ADV-2008-2780
External Source: MANDRIVA
Name: MDVSA-2009:022
External Source: XF
Name: php-safemode-directive-security-bypass(42134)
External Source: BID
Name: 31681
External Source: BUGTRAQ
Name: 20080527 rPSA-2008-0178-1 php php-mysql php-pgsql
External Source: CONFIRM
Name: http://cvs.php.net/viewcvs.cgi/php-src/NEWS?revision=1.2027.2.547.2.1047&view=markup
External Source: BUGTRAQ
Name: 20080122 PHP 5.2.5 cURL safe_mode bypass
External Source: FULLDISC
Name: 20080122 PHP 5.2.5 cURL safe_mode bypass
External Source: MLIST
Name: [oss-security] 20080502 CVE Request (PHP)
External Source: SREASONRES
Name: 20080122 PHP 5.2.5 cURL safe_mode bypass
External Source: VUPEN
Name: ADV-2008-1412
External Source: CONFIRM
Name: http://www.php.net/ChangeLog-5.php
External Source: APPLE
Name: APPLE-SA-2008-10-09
External Source: BID
Name: 27413

Vulnerable software and versions

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Technical Details

Vulnerability Type (View All)
  • Permissions, Privileges, and Access Control (CWE-264)