National Vulnerability Database (NVD) National Vulnerability Database (CVE-2007-1886)

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Last updated: Tue Aug 25 11:30:09 EDT 2009

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Vulnerability Summary for CVE-2007-1886

Original release date:04/06/2007

Last revised:09/05/2008

Source: US-CERT/NIST

Overview

Integer overflow in the str_replace function in PHP 4.4.5 and PHP 5.2.1 allows context-dependent attackers to have an unknown impact via a single character search string in conjunction with a single character replacement string, which causes an "off by one overflow."

Impact

CVSS Severity (version 2.0):

CVSS v2 Base Score:6.8 (MEDIUM) (AV:N/AC:M/Au:N/C:P/I:P/A:P) (legend)

Impact Subscore: 6.4

Exploitability Subscore: 8.6

CVSS Version 2 Metrics:

Access Vector: Network exploitable

Access Complexity: Medium

Authentication: Not required to exploit

Impact Type:Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service

Vendor Statments (disclaimer)

Official Statement from Red Hat (11/30/2007): We do not consider this flaw to be a security issue as it is only exploitable by the script author. No trust boundary is crossed. For more information please see: https://bugzilla.redhat.com/show_bug.cgi?id=mopb#c37

References to Advisories, Solutions, and Tools

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External Source: MISC

Name: http://www.php-security.org/MOPB/MOPB-39-2007.html

Type: Advisory; Patch Information

Hyperlink:http://www.php-security.org/MOPB/MOPB-39-2007.html

External Source: VUPEN

Name: ADV-2007-2374

Hyperlink:http://www.frsirt.com/english/advisories/2007/2374

External Source: VUPEN

Name: ADV-2007-1991

Hyperlink:http://www.frsirt.com/english/advisories/2007/1991

External Source: SECUNIA

Name: 25850