PHP prior 5.1.0 Access Restriction extract this input validation

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability has been found in PHP and classified as critical. This affects the function extract of the component Access Restriction. This manipulation of the argument this causes input validation. This vulnerability is handled as CVE-2011-0752. There is not any exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in PHP (Programming Language Software). It has been declared as critical. Affected by this vulnerability is the function extract of the component Access Restriction. The manipulation of the argument this with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. As an impact it is known to affect integrity. The summary by CVE is:

The extract function in PHP before 5.2.15 does not prevent use of the EXTR_OVERWRITE parameter to overwrite (1) the GLOBALS superglobal array and (2) the this variable, which allows context-dependent attackers to bypass intended access restrictions by modifying data structures that were not intended to depend on external input, a related issue to CVE-2005-2691 and CVE-2006-3758.

The weakness was released 02/02/2011 (Website). It is possible to read the advisory at xforce.iss.net. This vulnerability is known as CVE-2011-0752. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 56459 (GLSA-201110-06 : PHP: Multiple vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Gentoo Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 165188 (SUSE Security Update for Multiple Packages (SUSE-SR:2011:006)).

Upgrading to version 5.1.0 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (65432), Tenable (56459), SecurityFocus (BID 46448†) and Vulnerability Center (SBV-29608†). Entries connected to this vulnerability are available at VDB-53487, VDB-53395, VDB-53394 and VDB-53391. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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Name

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 56459
Nessus Name: GLSA-201110-06 : PHP: Multiple vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 801731
OpenVAS Name: PHP extract() Function Security Bypass Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: PHP 5.1.0

Timelineinfo

12/08/2010 🔍
01/25/2011 +48 days 🔍
02/02/2011 +7 days 🔍
02/02/2011 +0 days 🔍
02/02/2011 +0 days 🔍
02/08/2011 +6 days 🔍
03/20/2015 +1501 days 🔍
10/13/2021 +2399 days 🔍

Sourcesinfo

Product: php.org

Advisory: xforce.iss.net
Status: Not defined
Confirmation: 🔍

CVE: CVE-2011-0752 (🔍)
GCVE (CVE): GCVE-0-2011-0752
GCVE (VulDB): GCVE-100-56311

OVAL: 🔍

X-Force: 65432
SecurityFocus: 46448 - PHP 'EXTR_OVERWRITE' Parameter Security-Bypass Vulnerability
Vulnerability Center: 29608 - PHP Before 5.2.15 Extract Function Remote Access Restrictions Bypass Vulnerability, Medium

See also: 🔍

Entryinfo

Created: 03/20/2015 16:16
Updated: 10/13/2021 15:43
Changes: 03/20/2015 16:16 (62), 03/15/2017 12:24 (9), 10/13/2021 15:37 (4), 10/13/2021 15:43 (1)
Complete: 🔍
Cache ID: 216::103

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