CVE-2009-4142

Summary

CVECVE-2009-4142
StatePUBLISHED
Assignerredhat
Source PriorityCVE Program / NVD first with legacy fallback
Published2009-12-21 16:30:00 UTC
Updated2026-04-23 00:35:47 UTC
DescriptionThe htmlspecialchars function in PHP before 5.2.12 does not properly handle (1) overlong UTF-8 sequences, (2) invalid Shift_JIS sequences, and (3) invalid EUC-JP sequences, which allows remote attackers to conduct cross-site scripting (XSS) attacks by placing a crafted byte sequence before a special character.

Risk And Classification

Primary CVSS: v2.0 4.3 from [email protected]

AV:N/AC:M/Au:N/C:N/I:P/A:N

Problem Types: CWE-79 | n/a

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Medium
Authentication
None
Confidentiality
None
Integrity
Partial
Availability
None

AV:N/AC:M/Au:N/C:N/I:P/A:N

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Php Php 1.0 All All All
Application Php Php 2.0 All All All
Application Php Php 2.0b10 All All All
Application Php Php 3.0 All All All
Application Php Php 3.0.1 All All All
Application Php Php 3.0.10 All All All
Application Php Php 3.0.11 All All All
Application Php Php 3.0.12 All All All
Application Php Php 3.0.13 All All All
Application Php Php 3.0.14 All All All
Application Php Php 3.0.15 All All All
Application Php Php 3.0.16 All All All
Application Php Php 3.0.17 All All All
Application Php Php 3.0.18 All All All
Application Php Php 3.0.2 All All All
Application Php Php 3.0.3 All All All
Application Php Php 3.0.4 All All All
Application Php Php 3.0.5 All All All
Application Php Php 3.0.6 All All All
Application Php Php 3.0.7 All All All
Application Php Php 3.0.8 All All All
Application Php Php 3.0.9 All All All
Application Php Php 4 All All All
Application Php Php 4.0 All All All
Application Php Php 4.0 beta1 All All
Application Php Php 4.0 beta2 All All
Application Php Php 4.0 beta3 All All
Application Php Php 4.0 beta4 All All
Application Php Php 4.0 beta_4_patch1 All All
Application Php Php 4.0 rc1 All All
Application Php Php 4.0 rc2 All All
Application Php Php 4.0.0 All All All
Application Php Php 4.0.1 All All All
Application Php Php 4.0.1 patch1 All All
Application Php Php 4.0.1 patch2 All All
Application Php Php 4.0.2 All All All
Application Php Php 4.0.3 All All All
Application Php Php 4.0.3 patch1 All All
Application Php Php 4.0.4 All All All
Application Php Php 4.0.4 patch1 All All
Application Php Php 4.0.5 All All All
Application Php Php 4.0.6 All All All
Application Php Php 4.0.7 All All All
Application Php Php 4.0.7 rc1 All All
Application Php Php 4.0.7 rc2 All All
Application Php Php 4.0.7 rc3 All All
Application Php Php 4.0.7 rc4 All All
Application Php Php 4.1.0 All All All
Application Php Php 4.1.1 All All All
Application Php Php 4.1.2 All All All
Application Php Php 4.2 All dev All
Application Php Php 4.2.0 All All All
Application Php Php 4.2.1 All All All
Application Php Php 4.2.2 All All All
Application Php Php 4.2.3 All All All
Application Php Php 4.3.0 All All All
Application Php Php 4.3.1 All All All
Application Php Php 4.3.10 All All All
Application Php Php 4.3.11 All All All
Application Php Php 4.3.2 All All All
Application Php Php 4.3.3 All All All
Application Php Php 4.3.4 All All All
Application Php Php 4.3.5 All All All
Application Php Php 4.3.6 All All All
Application Php Php 4.3.7 All All All
Application Php Php 4.3.8 All All All
Application Php Php 4.3.9 All All All
Application Php Php 4.4.0 All All All
Application Php Php 4.4.1 All All All
Application Php Php 4.4.2 All All All
Application Php Php 4.4.3 All All All
Application Php Php 4.4.4 All All All
Application Php Php 4.4.5 All All All
Application Php Php 4.4.6 All All All
Application Php Php 4.4.7 All All All
Application Php Php 4.4.8 All All All
Application Php Php 4.4.9 All All All
Application Php Php 5 All All All
Application Php Php 5.0 rc1 All All
Application Php Php 5.0 rc2 All All
Application Php Php 5.0 rc3 All All
Application Php Php 5.0.0 All All All
Application Php Php 5.0.0 beta1 All All
Application Php Php 5.0.0 beta2 All All
Application Php Php 5.0.0 beta3 All All
Application Php Php 5.0.0 beta4 All All
Application Php Php 5.0.0 rc1 All All
Application Php Php 5.0.0 rc2 All All
Application Php Php 5.0.0 rc3 All All
Application Php Php 5.0.1 All All All
Application Php Php 5.0.2 All All All
Application Php Php 5.0.3 All All All
Application Php Php 5.0.4 All All All
Application Php Php 5.0.5 All All All
Application Php Php 5.1.0 All All All
Application Php Php 5.1.1 All All All
Application Php Php 5.1.3 All All All
Application Php Php 5.1.4 All All All
Application Php Php 5.1.5 All All All
Application Php Php 5.1.6 All All All
Application Php Php 5.2.0 All All All
Application Php Php 5.2.1 All All All
Application Php Php 5.2.10 All All All
Application Php Php 5.2.2 All All All
Application Php Php 5.2.3 All All All
Application Php Php 5.2.4 All All All
Application Php Php 5.2.5 All All All
Application Php Php 5.2.6 All All All
Application Php Php 5.2.8 All All All
Application Php Php 5.2.9 All All All
Application Php Php All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
Debian -- Security Information -- DSA-2001-1 php5 af854a3a-2127-422b-91ae-364da2661108 www.debian.org
PHP Bugs: #49785: htmlspecialchars() should check byte sequence more strictly af854a3a-2127-422b-91ae-364da2661108 bugs.php.net
PHP Multiple Vulnerabilities - Secunia Advisories - Vulnerability Information - Secunia.com af854a3a-2127-422b-91ae-364da2661108 secunia.com Vendor Advisory
Security Alerts - Secunia af854a3a-2127-422b-91ae-364da2661108 secunia.com
PHP: PHP 5 ChangeLog af854a3a-2127-422b-91ae-364da2661108 www.php.net Patch
SecurityTracker.com Archives - PHP Input Validation Flaw in htmlspecialchars() Permits Cross-Site Scripting Attacks af854a3a-2127-422b-91ae-364da2661108 securitytracker.com Exploit
Repository / Oval Repository af854a3a-2127-422b-91ae-364da2661108 oval.cisecurity.org
'[security bulletin] HPSBUX02543 SSRT100152 rev.1 - HP-UX Running Apache with PHP, Remote Denial of S' - MARC af854a3a-2127-422b-91ae-364da2661108 marc.info
PHP 'htmlspecialcharacters()' Malformed Multibyte Character Cross Site Scripting Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com Exploit
APPLE-SA-2010-03-29-1 Security Update 2010-002 / Mac OS X v10.6.3 af854a3a-2127-422b-91ae-364da2661108 lists.apple.com
Repository / Oval Repository af854a3a-2127-422b-91ae-364da2661108 oval.cisecurity.org
PHP: PHP 5.2.12 Release Announcement af854a3a-2127-422b-91ae-364da2661108 www.php.net
About the security content of Security Update 2010-002 / Mac OS X v10.6.3 af854a3a-2127-422b-91ae-364da2661108 support.apple.com
Webmail : Solution de messagerie professionnelle - OVHcloud- OVH af854a3a-2127-422b-91ae-364da2661108 www.vupen.com Vendor Advisory
HP-UX update for Apache with PHP - Advisories - Community af854a3a-2127-422b-91ae-364da2661108 secunia.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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