CVE-2006-4020

Summary

CVECVE-2006-4020
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2006-08-08 20:04:00 UTC
Updated2018-10-30 16:25:00 UTC
Descriptionscanf.c in PHP 5.1.4 and earlier, and 4.4.3 and earlier, allows context-dependent attackers to execute arbitrary code via a sscanf PHP function call that performs argument swapping, which increments an index past the end of an array and triggers a buffer over-read.

Risk And Classification

Problem Types: NVD-CWE-Other

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
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 4.1.0 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 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 5.1.2 All All All
Application Php Php 5.1.4 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 4.1.0 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 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 5.1.2 All All All
Application Php Php 5.1.4 All All All

References

ReferenceSourceLinkTags
Security Announcement SUSE www.novell.com
SUSE updates for php4 / php5 - Advisories - Secunia SECUNIA secunia.com
Security Announcement SUSE www.novell.com
Red Hat update for php - Advisories - Secunia SECUNIA secunia.com
Avaya Products PHP Multiple Vulnerabilities - Advisories - Secunia SECUNIA secunia.com
SGI Advanced Linux Environment Multiple Updates - Advisories - Secunia SECUNIA secunia.com
Avaya Products PHP Multiple Vulnerabilites - Advisories - Secunia SECUNIA secunia.com
Red Hat update for php - Advisories - Secunia SECUNIA secunia.com
SUSE Update for Multiple Packages - Secunia Advisories - Vulnerability Intelligence - Secunia.com SECUNIA secunia.com
ASA-2006-222 (RHSA-2006-0669) CONFIRM support.avaya.com
PHP Bugs: #38322: reading past array in sscanf leads to arbitary code execution CONFIRM bugs.php.net Exploit, Patch
Gentoo Linux Documentation -- PHP: Arbitary code execution GENTOO security.gentoo.org
Repository / Oval Repository OVAL oval.cisecurity.org
rhn.redhat.com | Red Hat Support REDHAT rhn.redhat.com
PHP: PHP 5.1.5 Release Announcement CONFIRM www.php.net
ASA-2006-223 (RHSA-2006-0688) CONFIRM support.avaya.com
access.redhat.com REDHAT www.redhat.com
20061001-01-P SGI patches.sgi.com
Security Announcement SUSE www.novell.com
SecurityReason - php local buffer underflow could lead to arbitary code execution SREASON securityreason.com
Red Hat Stronghold update for php - Advisories - Secunia SECUNIA secunia.com
SecurityTracker.com Archives - PHP Heap Overflows and Other Bugs Let Users Execute Arbitrary Code or Cause Denial of Service Conditions SECTRACK securitytracker.com
Mandriva update for php - Secunia Advisories - Vulnerability Intelligence - Secunia.com SECUNIA secunia.com
Webmail : Solution de messagerie professionnelle - OVHcloud- OVH VUPEN www.vupen.com
ASA-2006-221 (RHSA-2006-0682) CONFIRM support.avaya.com
PHP: PHP 5 ChangeLog CONFIRM www.php.net
PHP Multiple Vulnerabilities - Advisories - Secunia SECUNIA secunia.com
PHP "sscanf()" Code Execution Safe Mode Bypass - Advisories - Secunia SECUNIA secunia.com
Gentoo update for php - Advisories - Secunia SECUNIA secunia.com
rhn.redhat.com | Red Hat Support REDHAT www.redhat.com
usn/usn-342-1 - Ubuntu: Linux for human beings UBUNTU www.ubuntu.com
rhn.redhat.com | Red Hat Support REDHAT rhn.redhat.com
SUSE Update for Multiple Packages - Advisories - Secunia SECUNIA secunia.com
Advisories - Mandriva Linux MANDRIVA www.mandriva.com
SecurityFocus BUGTRAQ www.securityfocus.com Exploit, Patch, Vendor Advisory
Ubuntu update for PHP - Advisories - Secunia SECUNIA secunia.com
Security Announcement SUSE www.novell.com
PHP SSCANF() Safe_Mode Restriction-Bypass Vulnerability BID www.securityfocus.com
www.plain-text.info/sscanf_bug.txt MISC www.plain-text.info Exploit
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

© CVE.report 2026

Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. It is the responsibility of user to evaluate the accuracy, completeness or usefulness of any information, opinion, advice or other content. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. ALL WARRANTIES OF ANY KIND ARE EXPRESSLY DISCLAIMED. This site will NOT BE LIABLE FOR ANY DIRECT, INDIRECT or any other kind of loss.

CVE, CWE, and OVAL are registred trademarks of The MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. This site includes MITRE data granted under the following license.

Free CVE JSON API cve.report/api

CVE.report and Source URL Uptime Status status.cve.report