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Vulnerability Details : CVE-2009-4418

The unserialize function in PHP 5.3.0 and earlier allows context-dependent attackers to cause a denial of service (resource consumption) via a deeply nested serialized variable, as demonstrated by a string beginning with a:1: followed by many {a:1: sequences.
Publish Date : 2009-12-24 Last Update Date : 2018-10-30
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- CVSS Scores & Vulnerability Types

CVSS Score
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
Integrity Impact None (There is no impact to the integrity of the system)
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 Service
CWE ID 189

- Vendor Statements

Red Hat does not consider this to be a security flaw. For further details, see
Source: Redhat

- Products Affected By CVE-2009-4418

# Product Type Vendor Product Version Update Edition Language
1 Application PHP PHP 5 Version Details Vulnerabilities
2 Application PHP PHP 5.0 RC2 Version Details Vulnerabilities
3 Application PHP PHP 5.0 RC3 Version Details Vulnerabilities
4 Application PHP PHP 5.0 RC1 Version Details Vulnerabilities
5 Application PHP PHP 5.0.0 Beta3 Version Details Vulnerabilities
6 Application PHP PHP 5.0.0 Beta4 Version Details Vulnerabilities
7 Application PHP PHP 5.0.0 RC1 Version Details Vulnerabilities
8 Application PHP PHP 5.0.0 Version Details Vulnerabilities
9 Application PHP PHP 5.0.0 RC2 Version Details Vulnerabilities
10 Application PHP PHP 5.0.0 Beta1 Version Details Vulnerabilities
11 Application PHP PHP 5.0.0 RC3 Version Details Vulnerabilities
12 Application PHP PHP 5.0.0 Beta2 Version Details Vulnerabilities
13 Application PHP PHP 5.0.1 Version Details Vulnerabilities
14 Application PHP PHP 5.0.2 Version Details Vulnerabilities
15 Application PHP PHP 5.0.3 Version Details Vulnerabilities
16 Application PHP PHP 5.0.4 Version Details Vulnerabilities
17 Application PHP PHP 5.0.5 Version Details Vulnerabilities
18 Application PHP PHP 5.1.0 Version Details Vulnerabilities
19 Application PHP PHP 5.1.1 Version Details Vulnerabilities
20 Application PHP PHP 5.1.2 Version Details Vulnerabilities
21 Application PHP PHP 5.1.3 Version Details Vulnerabilities
22 Application PHP PHP 5.1.4 Version Details Vulnerabilities
23 Application PHP PHP 5.1.5 Version Details Vulnerabilities
24 Application PHP PHP 5.1.6 Version Details Vulnerabilities
25 Application PHP PHP 5.2.0 Version Details Vulnerabilities
26 Application PHP PHP 5.2.1 Version Details Vulnerabilities
27 Application PHP PHP 5.2.2 Version Details Vulnerabilities
28 Application PHP PHP 5.2.3 Version Details Vulnerabilities
29 Application PHP PHP 5.2.4 Windows Version Details Vulnerabilities
30 Application PHP PHP 5.2.4 Version Details Vulnerabilities
31 Application PHP PHP 5.2.5 Version Details Vulnerabilities
32 Application PHP PHP 5.2.6 Version Details Vulnerabilities
33 Application PHP PHP 5.2.7 Version Details Vulnerabilities
34 Application PHP PHP 5.2.8 Version Details Vulnerabilities
35 Application PHP PHP 5.2.9 Version Details Vulnerabilities
36 Application PHP PHP 5.2.10 Version Details Vulnerabilities
37 Application PHP PHP 5.2.11 Version Details Vulnerabilities
38 Application PHP PHP 5.3.0 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions

- References For CVE-2009-4418

- Metasploit Modules Related To CVE-2009-4418

There are not any metasploit modules related to this CVE entry (Please visit for more information)

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