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Vulnerability Details : CVE-2006-4020

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.
Publish Date : 2006-08-08 Last Update Date : 2010-08-21
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- CVSS Scores & Vulnerability Types

CVSS Score
4.6
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact Partial (Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.)
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 User
Vulnerability Type(s) Execute Code
CWE ID CWE id is not defined for this vulnerability

- Additional Vendor Supplied Data

Vendor Impact CVSS Score CVSS Vector Report Date Publish Date
Redhat low 2006-08-07 2006-08-04
If you are a vendor and you have additional data which can be automatically imported into our database, please contact admin @ cvedetails.com

- Related OVAL Definitions

Title Definition Id Class Family
CVE-2006-4020 oval:org.opensuse.security:def:20064020 unix
RHSA-2006:0669: php security update (Moderate) oval:com.redhat.rhsa:def:20060669 unix
scanf.c in PHP 5.1.4 and earlier, and 4.4.3 and earlier, allows context-dependent attackers to execute arbitrary code vi... oval:org.mitre.oval:def:11062 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-2006-4020

# Product Type Vendor Product Version Update Edition Language
1 Application PHP PHP 4.0 Beta2 Version Details Vulnerabilities
2 Application PHP PHP 4.0 Beta3 Version Details Vulnerabilities
3 Application PHP PHP 4.0 Beta4 Version Details Vulnerabilities
4 Application PHP PHP 4.0 RC1 Version Details Vulnerabilities
5 Application PHP PHP 4.0 Beta 4 Patch1 Version Details Vulnerabilities
6 Application PHP PHP 4.0 Version Details Vulnerabilities
7 Application PHP PHP 4.0 RC2 Version Details Vulnerabilities
8 Application PHP PHP 4.0 Beta1 Version Details Vulnerabilities
9 Application PHP PHP 4.0.0 Version Details Vulnerabilities
10 Application PHP PHP 4.0.1 Version Details Vulnerabilities
11 Application PHP PHP 4.0.1 Patch1 Version Details Vulnerabilities
12 Application PHP PHP 4.0.1 Patch2 Version Details Vulnerabilities
13 Application PHP PHP 4.0.2 Version Details Vulnerabilities
14 Application PHP PHP 4.0.3 Patch1 Version Details Vulnerabilities
15 Application PHP PHP 4.0.3 Version Details Vulnerabilities
16 Application PHP PHP 4.0.4 Version Details Vulnerabilities
17 Application PHP PHP 4.0.4 Patch1 Version Details Vulnerabilities
18 Application PHP PHP 4.0.5 Version Details Vulnerabilities
19 Application PHP PHP 4.0.6 Version Details Vulnerabilities
20 Application PHP PHP 4.0.7 RC1 Version Details Vulnerabilities
21 Application PHP PHP 4.0.7 RC2 Version Details Vulnerabilities
22 Application PHP PHP 4.0.7 RC3 Version Details Vulnerabilities
23 Application PHP PHP 4.0.7 Version Details Vulnerabilities
24 Application PHP PHP 4.1.0 Version Details Vulnerabilities
25 Application PHP PHP 4.1.1 Version Details Vulnerabilities
26 Application PHP PHP 4.1.2 Version Details Vulnerabilities
27 Application PHP PHP 4.2 DEV Version Details Vulnerabilities
28 Application PHP PHP 4.2.0 Version Details Vulnerabilities
29 Application PHP PHP 4.2.1 Version Details Vulnerabilities
30 Application PHP PHP 4.2.2 Version Details Vulnerabilities
31 Application PHP PHP 4.2.3 Version Details Vulnerabilities
32 Application PHP PHP 4.3 Version Details Vulnerabilities
33 Application PHP PHP 4.3.1 Version Details Vulnerabilities
34 Application PHP PHP 4.3.2 Version Details Vulnerabilities
35 Application PHP PHP 4.3.3 Version Details Vulnerabilities
36 Application PHP PHP 4.3.4 Version Details Vulnerabilities
37 Application PHP PHP 4.3.5 Version Details Vulnerabilities
38 Application PHP PHP 4.3.6 Version Details Vulnerabilities
39 Application PHP PHP 4.3.7 Version Details Vulnerabilities
40 Application PHP PHP 4.3.8 Version Details Vulnerabilities
41 Application PHP PHP 4.3.9 Version Details Vulnerabilities
42 Application PHP PHP 4.3.10 Version Details Vulnerabilities
43 Application PHP PHP 4.3.11 Version Details Vulnerabilities
44 Application PHP PHP 4.4.0 Version Details Vulnerabilities
45 Application PHP PHP 4.4.1 Version Details Vulnerabilities
46 Application PHP PHP 4.4.2 Version Details Vulnerabilities
47 Application PHP PHP 4.4.3 Version Details Vulnerabilities
48 Application PHP PHP 5.0 RC2 Version Details Vulnerabilities
49 Application PHP PHP 5.0 RC3 Version Details Vulnerabilities
50 Application PHP PHP 5.0 RC1 Version Details Vulnerabilities
51 Application PHP PHP 5.0.0 Beta3 Version Details Vulnerabilities
52 Application PHP PHP 5.0.0 Beta4 Version Details Vulnerabilities
53 Application PHP PHP 5.0.0 RC1 Version Details Vulnerabilities
54 Application PHP PHP 5.0.0 Version Details Vulnerabilities
55 Application PHP PHP 5.0.0 RC2 Version Details Vulnerabilities
56 Application PHP PHP 5.0.0 Beta1 Version Details Vulnerabilities
57 Application PHP PHP 5.0.0 RC3 Version Details Vulnerabilities
58 Application PHP PHP 5.0.0 Beta2 Version Details Vulnerabilities
59 Application PHP PHP 5.0.1 Version Details Vulnerabilities
60 Application PHP PHP 5.0.2 Version Details Vulnerabilities
61 Application PHP PHP 5.0.3 Version Details Vulnerabilities
62 Application PHP PHP 5.0.4 Version Details Vulnerabilities
63 Application PHP PHP 5.0.5 Version Details Vulnerabilities
64 Application PHP PHP 5.1 Version Details Vulnerabilities
65 Application PHP PHP 5.1.0 Version Details Vulnerabilities
66 Application PHP PHP 5.1.1 Version Details Vulnerabilities
67 Application PHP PHP 5.1.2 Version Details Vulnerabilities
68 Application PHP PHP 5.1.4 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
PHP PHP 68

- References For CVE-2006-4020

ftp://patches.sgi.com/support/free/security/advisories/20061001-01-P.asc
SGI 20061001-01-P
http://secunia.com/advisories/21546
SECUNIA 21546
http://secunia.com/advisories/21467
SECUNIA 21467
http://rhn.redhat.com/errata/RHSA-2006-0736.html
REDHAT RHSA-2006:0736
http://secunia.com/advisories/21608
SECUNIA 21608
http://secunia.com/advisories/21683
SECUNIA 21683
http://secunia.com/advisories/21768
SECUNIA 21768
http://secunia.com/advisories/21847
SECUNIA 21847
http://www.securityfocus.com/archive/1/442438/30/0/threaded
BUGTRAQ 20060804 php local buffer underflow could lead to arbitary code execution
http://secunia.com/advisories/22039
SECUNIA 22039
http://secunia.com/advisories/22069
SECUNIA 22069
http://secunia.com/advisories/22440
SECUNIA 22440
http://securityreason.com/securityalert/1341
SREASON 1341
http://security.gentoo.org/glsa/glsa-200608-28.xml
GENTOO GLSA-200608-28
http://secunia.com/advisories/23247
SECUNIA 23247
http://secunia.com/advisories/22538
SECUNIA 22538
http://secunia.com/advisories/22487
SECUNIA 22487
http://securitytracker.com/id?1016984
SECTRACK 1016984
http://support.avaya.com/elmodocs2/security/ASA-2006-222.htm CONFIRM
http://support.avaya.com/elmodocs2/security/ASA-2006-221.htm CONFIRM
http://support.avaya.com/elmodocs2/security/ASA-2006-223.htm CONFIRM
http://www.mandriva.com/security/advisories?name=MDKSA-2006:144
MANDRIVA MDKSA-2006:144
http://www.novell.com/linux/security/advisories/2006_19_sr.html
SUSE SUSE-SR:2006:019
http://www.novell.com/linux/security/advisories/2006_20_sr.html
SUSE SUSE-SR:2006:020
http://www.novell.com/linux/security/advisories/2006_22_sr.html
SUSE SUSE-SR:2006:022
http://www.novell.com/linux/security/advisories/2006_52_php.html
SUSE SUSE-SA:2006:052
http://www.php.net/ChangeLog-5.php#5.1.5 CONFIRM
http://www.php.net/release_5_1_5.php CONFIRM
http://www.redhat.com/support/errata/RHSA-2006-0669.html
REDHAT RHSA-2006:0669
http://www.redhat.com/support/errata/RHSA-2006-0682.html
REDHAT RHSA-2006:0682
http://www.ubuntu.com/usn/usn-342-1
UBUNTU USN-342-1
http://www.frsirt.com/english/advisories/2006/3193
VUPEN ADV-2006-3193
http://bugs.php.net/bug.php?id=38322 CONFIRM
http://www.securityfocus.com/bid/19415
BID 19415 PHP SSCANF() Safe_Mode Restriction-Bypass Vulnerability Release Date:2007-01-17
http://www.plain-text.info/sscanf_bug.txt
http://secunia.com/advisories/22004
SECUNIA 22004
http://secunia.com/advisories/21403
SECUNIA 21403
http://rhn.redhat.com/errata/RHSA-2006-0688.html
REDHAT RHSA-2006:0688

- Metasploit Modules Related To CVE-2006-4020

There are not any metasploit modules related to this vulnerability (Please visit www.metasploit.com for more information)


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