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Vulnerability Details : CVE-2010-1866

The dechunk filter in PHP 5.3 through 5.3.2, when decoding an HTTP chunked encoding stream, allows context-dependent attackers to cause a denial of service (crash) and possibly trigger memory corruption via a negative chunk size, which bypasses a signed comparison, related to an integer overflow in the chunk size decoder.
Publish Date : 2010-05-07 Last Update Date : 2010-09-30
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- CVSS Scores & Vulnerability Types

CVSS Score
7.5
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact Partial (Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Denial Of ServiceOverflowMemory corruptionBypass a restriction or similar
CWE ID 189

- Related OVAL Definitions

Title Definition Id Class Family
CVE-2010-1866 oval:org.opensuse.security:def:20101866 unix
USN-989-1 -- php5 vulnerabilities oval:org.mitre.oval:def:12706 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2010-1866

# Product Type Vendor Product Version Update Edition Language
1 Application PHP PHP 5.3.0 Version Details Vulnerabilities
2 Application PHP PHP 5.3.1 Version Details Vulnerabilities
3 Application PHP PHP 5.3.2 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
PHP PHP 3

- References For CVE-2010-1866

http://php-security.org/2010/05/02/mops-2010-003-php-dechunk-filter-signed-comparison-vulnerability/index.html
http://lists.opensuse.org/opensuse-security-announce/2010-09/msg00006.html
SUSE SUSE-SR:2010:017

- Metasploit Modules Related To CVE-2010-1866

There are not any metasploit modules related to this vulnerability (Please visit www.metasploit.com for more information)


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