Vulnerability Name:

CVE-2006-4020 (CCN-28284)

Assigned:2006-08-04
Published:2006-08-04
Updated:2018-10-30
Summary: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.
CVSS v3 Severity:5.9 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): Low
Integrity (I): Low
Availibility (A): Low
CVSS v2 Severity:4.6 Medium (CVSS v2 Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P)
3.6 Low (Temporal CVSS v2 Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
4.6 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P)
3.6 Low (CCN Temporal CVSS v2 Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
Vulnerability Type:CWE-Other
Vulnerability Consequences:Bypass Security
References:Source: SGI
Type: UNKNOWN
20061001-01-P

Source: CCN
Type: BugTraq Mailing List, Fri Aug 04 2006 - 16:24:57 CDT
php local buffer underflow could lead to arbitary code execution

Source: CONFIRM
Type: Exploit, Patch
http://bugs.php.net/bug.php?id=38322

Source: MITRE
Type: CNA
CVE-2006-4020

Source: CCN
Type: RHSA-2006-0669
php security update

Source: CCN
Type: RHSA-2006-0682
php security update

Source: CCN
Type: RHSA-2006-0688
php security update

Source: REDHAT
Type: UNKNOWN
RHSA-2006:0688

Source: CCN
Type: RHSA-2006-0736
Important: php security update for Stronghold

Source: REDHAT
Type: UNKNOWN
RHSA-2006:0736

Source: CCN
Type: SA21403
PHP "sscanf()" Code Execution Safe Mode Bypass

Source: SECUNIA
Type: UNKNOWN
21403

Source: SECUNIA
Type: UNKNOWN
21467

Source: CCN
Type: SA21546
PHP Multiple Vulnerabilities

Source: SECUNIA
Type: UNKNOWN
21546

Source: SECUNIA
Type: UNKNOWN
21608

Source: SECUNIA
Type: UNKNOWN
21683

Source: SECUNIA
Type: UNKNOWN
21768

Source: SECUNIA
Type: UNKNOWN
21847

Source: SECUNIA
Type: UNKNOWN
22004

Source: SECUNIA
Type: UNKNOWN
22039

Source: SECUNIA
Type: UNKNOWN
22069

Source: CCN
Type: SA22440
Avaya Products PHP Multiple Vulnerabilities

Source: SECUNIA
Type: UNKNOWN
22440

Source: SECUNIA
Type: UNKNOWN
22487

Source: CCN
Type: SA22538
Avaya Products PHP Multiple Vulnerabilites

Source: SECUNIA
Type: UNKNOWN
22538

Source: SECUNIA
Type: UNKNOWN
23247

Source: GENTOO
Type: UNKNOWN
GLSA-200608-28

Source: SREASON
Type: UNKNOWN
1341

Source: CCN
Type: SECTRACK ID: 1016984
PHP Heap Overflows and Other Bugs Let Users Execute Arbitrary Code or Cause Denial of Service Conditions

Source: SECTRACK
Type: UNKNOWN
1016984

Source: CONFIRM
Type: UNKNOWN
http://support.avaya.com/elmodocs2/security/ASA-2006-221.htm

Source: CCN
Type: ASA-2006-221
php security update (RHSA-2006-0682)

Source: CONFIRM
Type: UNKNOWN
http://support.avaya.com/elmodocs2/security/ASA-2006-222.htm

Source: CCN
Type: ASA-2006-222
php security update (RHSA-2006-0669)

Source: CONFIRM
Type: UNKNOWN
http://support.avaya.com/elmodocs2/security/ASA-2006-223.htm

Source: CCN
Type: ASA-2006-223
php security update (RHSA-2006-0688)

Source: CCN
Type: GLSA-200608-28
PHP: Arbitary code execution

Source: MANDRIVA
Type: UNKNOWN
MDKSA-2006:144

Source: SUSE
Type: UNKNOWN
SUSE-SR:2006:019

Source: SUSE
Type: UNKNOWN
SUSE-SR:2006:020

Source: SUSE
Type: UNKNOWN
SUSE-SR:2006:022

Source: SUSE
Type: UNKNOWN
SUSE-SA:2006:052

Source: CONFIRM
Type: UNKNOWN
http://www.php.net/ChangeLog-5.php#5.1.5

Source: CCN
Type: The PHP Group Web site
PHP: Downloads

Source: CCN
Type: The PHP Group Web site
PHP 5.1.5 Release Announcement

Source: CONFIRM
Type: UNKNOWN
http://www.php.net/release_5_1_5.php

Source: MISC
Type: Exploit
http://www.plain-text.info/sscanf_bug.txt

Source: REDHAT
Type: UNKNOWN
RHSA-2006:0669

Source: REDHAT
Type: UNKNOWN
RHSA-2006:0682

Source: BUGTRAQ
Type: Exploit, Patch, Vendor Advisory
20060804 php local buffer underflow could lead to arbitary code execution

Source: BID
Type: UNKNOWN
19415

Source: CCN
Type: BID-19415
PHP SSCANF() Safe_Mode Restriction-Bypass Vulnerability

Source: CCN
Type: TLSA-2006-23
Buffer overflow

Source: CCN
Type: USN-342-1
PHP vulnerabilities

Source: UBUNTU
Type: UNKNOWN
USN-342-1

Source: VUPEN
Type: UNKNOWN
ADV-2006-3193

Source: XF
Type: UNKNOWN
php-sscnf-safemode-bypass(28284)

Source: OVAL
Type: UNKNOWN
oval:org.mitre.oval:def:11062

Source: SUSE
Type: SUSE-SA:2006:052
php4php5 security update

Source: SUSE
Type: SUSE-SR:2006:019
SUSE Security Summary Report

Source: SUSE
Type: SUSE-SR:2006:020
SUSE Security Summary Report

Source: SUSE
Type: SUSE-SR:2006:022
SUSE Security Summary Report

Vulnerable Configuration:Configuration 1:
  • cpe:/a:php:php:4.0.0:*:*:*:*:*:*:*
  • OR cpe:/a:php:php:4.0:beta1:*:*:*:*:*:*
  • OR cpe:/a:php:php:4.0:beta2:*:*:*:*:*:*
  • OR cpe:/a:php:php:4.0:beta3:*:*:*:*:*:*
  • OR cpe:/a:php:php:4.0:beta4:*:*:*:*:*:*
  • OR cpe:/a:php:php:4.0:beta_4_patch1:*:*:*:*:*:*
  • OR cpe:/a:php:php:4.0:rc1:*:*:*:*:*:*
  • OR cpe:/a:php:php:4.0:rc2:*:*:*:*:*:*
  • OR cpe:/a:php:php:4.0.0:*:*:*:*:*:*:*
  • OR cpe:/a:php:php:4.0.1:-:*:*:*:*:*:*
  • OR cpe:/a:php:php:4.0.1:patch1:*:*:*:*:*:*
  • OR cpe:/a:php:php:4.0.1:patch2:*:*:*:*:*:*
  • OR cpe:/a:php:php:4.0.2:*:*:*:*:*:*:*
  • OR cpe:/a:php:php:4.0.3:*:*:*:*:*:*:*
  • OR cpe:/a:php:php:4.0.3:patch1:*:*:*:*:*:*
  • OR cpe:/a:php:php:4.0.4:-:*:*:*:*:*:*
  • OR cpe:/a:php:php:4.0.4:patch1:*:*:*:*:*:*
  • OR cpe:/a:php:php:4.0.5:-:*:*:*:*:*:*
  • OR cpe:/a:php:php:4.0.6:-:*:*:*:*:*:*
  • OR cpe:/a:php:php:4.0.7:-:*:*:*:*:*:*
  • OR cpe:/a:php:php:4.0.7:rc1:*:*:*:*:*:*
  • OR cpe:/a:php:php:4.0.7:rc2:*:*:*:*:*:*
  • OR cpe:/a:php:php:4.0.7:rc3:*:*:*:*:*:*
  • OR cpe:/a:php:php:4.1.0:-:*:*:*:*:*:*
  • OR cpe:/a:php:php:4.1.1:*:*:*:*:*:*:*
  • OR cpe:/a:php:php:4.1.2:*:*:*:*:*:*:*
  • OR cpe:/a:php:php:4.2:*:dev:*:*:*:*:*
  • OR cpe:/a:php:php:4.2.0:-:*:*:*:*:*:*
  • OR cpe:/a:php:php:4.2.1:-:*:*:*:*:*:*
  • OR cpe:/a:php:php:4.2.2:*:*:*:*:*:*:*
  • OR cpe:/a:php:php:4.2.3:-:*:*:*:*:*:*
  • OR cpe:/a:php:php:4.3.0:-:*:*:*:*:*:*
  • OR cpe:/a:php:php:4.3.1:*:*:*:*:*:*:*
  • OR cpe:/a:php:php:4.3.2:-:*:*:*:*:*:*
  • OR cpe:/a:php:php:4.3.3:-:*:*:*:*:*:*
  • OR cpe:/a:php:php:4.3.4:-:*:*:*:*:*:*
  • OR cpe:/a:php:php:4.3.5:-:*:*:*:*:*:*
  • OR cpe:/a:php:php:4.3.6:-:*:*:*:*:*:*
  • OR cpe:/a:php:php:4.3.7:-:*:*:*:*:*:*
  • OR cpe:/a:php:php:4.3.8:*:*:*:*:*:*:*
  • OR cpe:/a:php:php:4.3.9:*:*:*:*:*:*:*
  • OR cpe:/a:php:php:4.3.10:-:*:*:*:*:*:*
  • OR cpe:/a:php:php:4.3.11:-:*:*:*:*:*:*
  • OR cpe:/a:php:php:4.4.0:-:*:*:*:*:*:*
  • OR cpe:/a:php:php:4.4.1:-:*:*:*:*:*:*
  • OR cpe:/a:php:php:4.4.2:-:*:*:*:*:*:*
  • OR cpe:/a:php:php:4.4.3:-:*:*:*:*:*:*
  • OR cpe:/a:php:php:5.0:rc1:*:*:*:*:*:*
  • OR cpe:/a:php:php:5.0:rc2:*:*:*:*:*:*
  • OR cpe:/a:php:php:5.0:rc3:*:*:*:*:*:*
  • OR cpe:/a:php:php:5.0.0:-:*:*:*:*:*:*
  • OR cpe:/a:php:php:5.0.0:beta1:*:*:*:*:*:*
  • OR cpe:/a:php:php:5.0.0:beta2:*:*:*:*:*:*
  • OR cpe:/a:php:php:5.0.0:beta3:*:*:*:*:*:*
  • OR cpe:/a:php:php:5.0.0:beta4:*:*:*:*:*:*
  • OR cpe:/a:php:php:5.0.0:rc1:*:*:*:*:*:*
  • OR cpe:/a:php:php:5.0.0:rc2:*:*:*:*:*:*
  • OR cpe:/a:php:php:5.0.0:rc3:*:*:*:*:*:*
  • OR cpe:/a:php:php:5.0.1:-:*:*:*:*:*:*
  • OR cpe:/a:php:php:5.0.2:-:*:*:*:*:*:*
  • OR cpe:/a:php:php:5.0.3:-:*:*:*:*:*:*
  • OR cpe:/a:php:php:5.0.4:-:*:*:*:*:*:*
  • OR cpe:/a:php:php:5.0.5:-:*:*:*:*:*:*
  • OR cpe:/a:php:php:5.1.0:-:*:*:*:*:*:*
  • OR cpe:/a:php:php:5.1.1:*:*:*:*:*:*:*
  • OR cpe:/a:php:php:5.1.2:-:*:*:*:*:*:*
  • OR cpe:/a:php:php:5.1.4:*:*:*:*:*:*:*

    • Configuration RedHat 1:
  • cpe:/o:redhat:enterprise_linux:4:*:*:*:*:*:*:*

    • Configuration RedHat 2:
  • cpe:/o:redhat:enterprise_linux:4::as:*:*:*:*:*

    • Configuration RedHat 3:
  • cpe:/o:redhat:enterprise_linux:4::desktop:*:*:*:*:*

    • Configuration RedHat 4:
  • cpe:/o:redhat:enterprise_linux:4::es:*:*:*:*:*

    • Configuration RedHat 5:
  • cpe:/o:redhat:enterprise_linux:4::ws:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:php:php:5.1.4:*:*:*:*:*:*:*
  • OR cpe:/a:php:php:4.4.3:-:*:*:*:*:*:*
  • AND
  • cpe:/a:redhat:stronghold:-:*:*:*:*:*:*:*
  • OR cpe:/o:gentoo:linux:*:*:*:*:*:*:*:*
  • OR cpe:/o:suse:linux_enterprise_server:8:*:*:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux:2.1:*:as:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux:2.1:*:es:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux:2.1:*:ws:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux:3::ws:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux:3::es:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux:3::as:*:*:*:*:*
  • OR cpe:/a:suse:suse_linux_school_server:-:*:*:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux:3::desktop:*:*:*:*:*
  • OR cpe:/o:suse:suse_linux:9.2:*:*:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux:2.1::as:*:*:*:*:*
  • OR cpe:/o:mandrakesoft:mandrake_linux_corporate_server:3.0:*:*:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux:4::as:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux:4::desktop:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux:4::es:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux:4::ws:*:*:*:*:*
  • OR cpe:/a:novell:open_enterprise_server:*:*:*:*:*:*:*:*
  • OR cpe:/a:mandrakesoft:mandrake_multi_network_firewall:2.0:*:*:*:*:*:*:*
  • OR cpe:/o:suse:suse_linux:10.0::oss:*:*:*:*:*
  • OR cpe:/o:redhat:linux_advanced_workstation:2.1::itanium:*:*:*:*:*
  • OR cpe:/o:mandrakesoft:mandrake_linux:2006:*:*:*:*:*:*:*
  • OR cpe:/o:canonical:ubuntu:6.06::lts:*:*:*:*:*
  • OR cpe:/o:suse:suse_linux:10.1::personal:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux:2.1::es:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux:2.1::ws:*:*:*:*:*
  • OR cpe:/o:mandrakesoft:mandrake_linux:2006::x86-64:*:*:*:*:*
  • OR cpe:/o:mandrakesoft:mandrake_linux_corporate_server:3.0::x86_64:*:*:*:*:*
  • OR cpe:/o:turbolinux:turbolinux:*:*:personal:*:*:*:*:*
  • OR cpe:/o:turbolinux:turbolinux:*:*:home:*:*:*:*:*
  • OR cpe:/o:turbolinux:turbolinux:*:*:multimedia:*:*:*:*:*
  • OR cpe:/a:novell:open_enterprise_server:*:*:*:*:*:*:*:*
  • OR cpe:/o:suse:suse_linux:9.3:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.opensuse.security:def:20064020
    V
    		CVE-2006-4020
    2015-11-16
    oval:org.mitre.oval:def:11062
    V
    		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.
    2013-04-29
    oval:com.redhat.rhsa:def:20060669
    P
    		RHSA-2006:0669: php security update (Moderate)
    2006-09-21
    BACK
    php php 4.0
    php php 4.0 beta1
    php php 4.0 beta2
    php php 4.0 beta3
    php php 4.0 beta4
    php php 4.0 beta_4_patch1
    php php 4.0 rc1
    php php 4.0 rc2
    php php 4.0.0
    php php 4.0.1
    php php 4.0.1 patch1
    php php 4.0.1 patch2
    php php 4.0.2
    php php 4.0.3
    php php 4.0.3 patch1
    php php 4.0.4
    php php 4.0.4 patch1
    php php 4.0.5
    php php 4.0.6
    php php 4.0.7
    php php 4.0.7 rc1
    php php 4.0.7 rc2
    php php 4.0.7 rc3
    php php 4.1.0
    php php 4.1.1
    php php 4.1.2
    php php 4.2
    php php 4.2.0
    php php 4.2.1
    php php 4.2.2
    php php 4.2.3
    php php 4.3.0
    php php 4.3.1
    php php 4.3.2
    php php 4.3.3
    php php 4.3.4
    php php 4.3.5
    php php 4.3.6
    php php 4.3.7
    php php 4.3.8
    php php 4.3.9
    php php 4.3.10
    php php 4.3.11
    php php 4.4.0
    php php 4.4.1
    php php 4.4.2
    php php 4.4.3
    php php 5.0 rc1
    php php 5.0 rc2
    php php 5.0 rc3
    php php 5.0.0
    php php 5.0.0 beta1
    php php 5.0.0 beta2
    php php 5.0.0 beta3
    php php 5.0.0 beta4
    php php 5.0.0 rc1
    php php 5.0.0 rc2
    php php 5.0.0 rc3
    php php 5.0.1
    php php 5.0.2
    php php 5.0.3
    php php 5.0.4
    php php 5.0.5
    php php 5.1.0
    php php 5.1.1
    php php 5.1.2
    php php 5.1.4
    php php 5.1.4
    php php 4.4.3
    redhat stronghold -
    gentoo linux *
    suse linux enterprise server 8
    redhat enterprise linux 2.1
    redhat enterprise linux 2.1
    redhat enterprise linux 2.1
    redhat enterprise linux 3
    redhat enterprise linux 3
    redhat enterprise linux 3
    suse suse linux school server -
    redhat enterprise linux 3
    suse suse linux 9.2
    redhat enterprise linux 2.1
    mandrakesoft mandrake linux corporate server 3.0
    redhat enterprise linux 4
    redhat enterprise linux 4
    redhat enterprise linux 4
    redhat enterprise linux 4
    novell open enterprise server *
    mandrakesoft mandrake multi network firewall 2.0
    suse suse linux 10.0
    redhat linux advanced workstation 2.1
    mandrakesoft mandrake linux 2006
    canonical ubuntu 6.06
    suse suse linux 10.1
    redhat enterprise linux 2.1
    redhat enterprise linux 2.1
    mandrakesoft mandrake linux 2006
    mandrakesoft mandrake linux corporate server 3.0
    turbolinux turbolinux personal *
    turbolinux turbolinux home *
    turbolinux turbolinux multimedia *
    novell open enterprise server *
    suse suse linux 9.3