Vulnerability CVE-2006-4020

Vulnerability CVE-2006-4020

Published: 2006-08-08 Modified: 2012-02-12

Description:

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.

See advisories in our WLB2 database:

	Topic	Author	Date
Med.	php local buffer underflow could lead to arbitary code execution	Heintz	09.08.2006

Type:

CWE-Other

CVSS2 => (AV:L/AC:L/Au:N/C:P/I:P/A:P)

CVSS Base Score	Impact Subscore	Exploitability Subscore
4.6/10	6.4/10	3.9/10

Exploit range	Attack complexity	Authentication
Local	Low	No required
Confidentiality impact	Integrity impact	Availability impact
Partial	Partial	Partial

Affected software
PHP -> PHP

References:

ftp://patches.sgi.com/support/free/security/advisories/20061001-01-P.asc

http://bugs.php.net/bug.php?id=38322

http://rhn.redhat.com/errata/RHSA-2006-0688.html

http://rhn.redhat.com/errata/RHSA-2006-0736.html

http://security.gentoo.org/glsa/glsa-200608-28.xml

http://securityreason.com/securityalert/1341

http://securitytracker.com/id?1016984

http://support.avaya.com/elmodocs2/security/ASA-2006-221.htm

http://support.avaya.com/elmodocs2/security/ASA-2006-222.htm

http://support.avaya.com/elmodocs2/security/ASA-2006-223.htm

http://www.mandriva.com/security/advisories?name=MDKSA-2006:144

http://www.novell.com/linux/security/advisories/2006_19_sr.html

http://www.novell.com/linux/security/advisories/2006_20_sr.html

http://www.novell.com/linux/security/advisories/2006_22_sr.html

http://www.novell.com/linux/security/advisories/2006_52_php.html

http://www.php.net/ChangeLog-5.php#5.1.5

http://www.php.net/release_5_1_5.php

http://www.plain-text.info/sscanf_bug.txt

http://www.redhat.com/support/errata/RHSA-2006-0669.html

http://www.redhat.com/support/errata/RHSA-2006-0682.html

http://www.securityfocus.com/archive/1/442438/30/0/threaded

http://www.securityfocus.com/bid/19415

http://www.ubuntu.com/usn/usn-342-1

http://www.vupen.com/english/advisories/2006/3193

https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11062

Vulnerability 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.

See advisories in our WLB2 database:

Med.

php local buffer underflow could lead to arbitary code execution

CWE-Other

CVSS2 => (AV:L/AC:L/Au:N/C:P/I:P/A:P)

4.6/10

6.4/10

3.9/10

Local

Low

No required

Partial

Partial

Partial

Affected software

References: