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CVE-2007-4661 Detail

Description

The chunk_split function in string.c in PHP 5.2.3 does not properly calculate the needed buffer size due to precision loss when performing integer arithmetic with floating point numbers, which has unknown attack vectors and impact, possibly resulting in a heap-based buffer overflow. NOTE: this is due to an incomplete fix for CVE-2007-2872.


Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

Vendor Statements (disclaimer)

Official Statement from Mandriva (09/18/2007)

Not vulnerable. Mandriva has not issued an update to date to fix CVE-2007-2872 and the updates in progress are using a correct fix.

Official Statement from Red Hat (09/05/2007)

Not vulnerable. Red Hat did not include an incomplete fix for CVE-2007-2872 for PHP in Red Hat Enterprise Linux or Red Hat Application Stack.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://cvs.php.net/viewvc.cgi/php-src/ext/standard/string.c?r1=1.445.2.14.2.58&r2=1.445.2.14.2.59 Exploit 
http://lists.opensuse.org/opensuse-security-announce/2008-01/msg00006.html
http://www.gentoo.org/security/en/glsa/glsa-200710-02.xml
http://www.php.net/ChangeLog-5.php#5.2.4
http://www.php.net/releases/5_2_4.php Patch 
http://www.ubuntu.com/usn/usn-549-2
https://issues.rpath.com/browse/RPL-1702
https://launchpad.net/bugs/173043
https://usn.ubuntu.com/549-1/

Weakness Enumeration

CWE-ID CWE Name Source
CWE-399 Resource Management Errors cwe source acceptance level NIST  
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer cwe source acceptance level NIST  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

3 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2007-4661
NVD Published Date:
09/04/2007
NVD Last Modified:
10/03/2018
Source:
MITRE