Vulnerability Details : CVE-2007-3998

The wordwrap function in PHP 4 before 4.4.8, and PHP 5 before 5.2.4, does not properly use the breakcharlen variable, which allows remote attackers to cause a denial of service (divide-by-zero error and application crash, or infinite loop) via certain arguments, as demonstrated by a 'chr(0), 0, ""' argument set.
Publish Date : 2007-09-04 Last Update Date : 2018-10-26

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- CVSS Scores & Vulnerability Types

CVSS Score	5.0
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	20

- Vendor Statements

This issue did not affect the versions of PHP as shipped with Red Hat Enterprise Linux 2.1.
Source: Redhat

- Additional Vendor Supplied Data

Vendor	Impact	CVSS Score	CVSS Vector	Report Date	Publish Date
Redhat	low			2007-08-30	2007-08-30

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- Related OVAL Definitions

Title	Definition Id	Family
CVE-2007-3998	oval:org.opensuse.security:def:20073998	unix
DSA-1444 php5 -- several vulnerabilities	oval:org.mitre.oval:def:7538	unix
DSA-1444-1 php5 several issues	oval:org.mitre.oval:def:20198	unix
DSA-1578 php4 -- several vulnerabilities	oval:org.mitre.oval:def:8065	unix
DSA-1578-1 php4 - several vulnerabilities	oval:org.mitre.oval:def:18224	unix
ELSA-2007:0890: php security update (Moderate)	oval:org.mitre.oval:def:22339	unix
RHSA-2007:0889: php security update (Moderate)	oval:com.redhat.rhsa:def:20070889	unix
RHSA-2007:0890: php security update (Moderate)	oval:com.redhat.rhsa:def:20070890	unix
The wordwrap function in PHP 4 before 4.4.8, and PHP 5 before 5.2.4, does not properly use the breakcharlen variable, wh...	oval:org.mitre.oval:def:10603	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-2007-3998

#	Product Type	Vendor	Product	Version	Update	Edition	Language
1	OS	Canonical	Ubuntu Linux	6.06	*	*	*	Version Details Vulnerabilities
2	OS	Canonical	Ubuntu Linux	6.10	*	*	*	Version Details Vulnerabilities
3	OS	Canonical	Ubuntu Linux	7.04	*	*	*	Version Details Vulnerabilities
4	OS	Canonical	Ubuntu Linux	7.10	*	*	*	Version Details Vulnerabilities
5	OS	Debian	Debian Linux	3.1	*	*	*	Version Details Vulnerabilities
6	OS	Debian	Debian Linux	4.0	*	*	*	Version Details Vulnerabilities
7	Application	PHP	PHP	*	*	*	*	Version Details Vulnerabilities