Vulnerability Details : CVE-2006-4020
Potential exploit
scanf.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.
Vulnerability category: Execute code
Products affected by CVE-2006-4020
- cpe:2.3:a:php:php:4.0:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.0.1:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.0.3:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.0.4:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.0.5:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.0.6:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.1.0:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.1.1:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.1.2:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.0.1:patch2:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.0.1:patch1:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.0.7:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.0.3:patch1:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.0.7:rc3:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.0.2:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.0.7:rc1:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.0.7:rc2:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.2.0:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.2.1:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.2.2:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.2.3:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.2:*:dev:*:*:*:*:*
- cpe:2.3:a:php:php:4.0:beta1:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.0:beta3:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.0:beta4:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.0:rc2:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.0.4:patch1:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.0:beta_4_patch1:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.0:beta2:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.3.0:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.3.1:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.3.2:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.0:rc2:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.0:rc3:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.3.3:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.3.5:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.3.6:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.3.7:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.3.8:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.3.4:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.0.1:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.0.2:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.3.9:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.0.0:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.3.10:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.0.3:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.4.0:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.0.0:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.3.11:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.0.4:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.0.5:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.0.0:beta1:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.0.0:beta4:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.0.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.0.0:beta2:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.0.0:beta3:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.0.0:rc2:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.0.0:rc3:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.4.1:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.4.2:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.1.0:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.1.1:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.1.2:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.1.4:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.4.3:*:*:*:*:*:*:*
Threat overview for CVE-2006-4020
Top countries where our scanners detected CVE-2006-4020
Top open port discovered on systems with this issue
80
IPs affected by CVE-2006-4020 8,111
Threat actors abusing to this issue?
Yes
Find out if you* are
affected by CVE-2006-4020!
*Directly or indirectly through your vendors, service providers and 3rd parties.
Powered by
attack surface intelligence
from SecurityScorecard.
Exploit prediction scoring system (EPSS) score for CVE-2006-4020
0.18%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 55 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2006-4020
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
4.6
|
MEDIUM | AV:L/AC:L/Au:N/C:P/I:P/A:P |
3.9
|
6.4
|
NIST |
References for CVE-2006-4020
-
http://support.avaya.com/elmodocs2/security/ASA-2006-221.htm
-
http://www.securityfocus.com/archive/1/442438/30/0/threaded
Exploit;Patch;Vendor Advisory
-
http://rhn.redhat.com/errata/RHSA-2006-0688.html
RHSA-2006:0688 - Security Advisory - Red Hat Customer Portal
-
http://www.vupen.com/english/advisories/2006/3193
-
http://bugs.php.net/bug.php?id=38322
Exploit;Patch
-
http://www.novell.com/linux/security/advisories/2006_22_sr.html
404 Page Not Found | SUSE
-
http://www.novell.com/linux/security/advisories/2006_19_sr.html
404 Page Not Found | SUSE
-
http://security.gentoo.org/glsa/glsa-200608-28.xml
-
http://www.novell.com/linux/security/advisories/2006_20_sr.html
404 Page Not Found | SUSE
-
http://securitytracker.com/id?1016984
Access Denied
-
ftp://patches.sgi.com/support/free/security/advisories/20061001-01-P.asc
-
http://support.avaya.com/elmodocs2/security/ASA-2006-222.htm
ASA-2006-222 (RHSA-2006-0669)
-
http://www.redhat.com/support/errata/RHSA-2006-0682.html
-
http://www.novell.com/linux/security/advisories/2006_52_php.html
404 Page Not Found | SUSE
-
http://rhn.redhat.com/errata/RHSA-2006-0736.html
-
http://securityreason.com/securityalert/1341
-
http://www.redhat.com/support/errata/RHSA-2006-0669.html
-
http://www.plain-text.info/sscanf_bug.txt
Exploit
-
http://www.ubuntu.com/usn/usn-342-1
USN-342-1: PHP vulnerabilities | Ubuntu security notices | Ubuntu
-
http://support.avaya.com/elmodocs2/security/ASA-2006-223.htm
ASA-2006-223 (RHSA-2006-0688)
-
http://www.securityfocus.com/bid/19415
-
http://www.mandriva.com/security/advisories?name=MDKSA-2006:144
-
http://www.php.net/release_5_1_5.php
PHP: PHP 5.1.5 Release Announcement
-
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11062
-
http://www.php.net/ChangeLog-5.php#5.1.5
PHP: PHP 5 ChangeLog
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