PHP 5.6 Posthandler efree memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.1$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in PHP 5.6. This affects the function efree of the component Posthandler. The manipulation results in memory corruption. This vulnerability is known as CVE-2014-3622. No exploit is available. This vulnerability is historically impactful due to its background and the reception it garnered. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in PHP 5.6 (Programming Language Software). It has been classified as critical. Affected is the function efree of the component Posthandler. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was published 10/02/2014 by Stefan Esser as confirmed changelog entry (Website). The advisory is shared for download at php.net. This vulnerability is traded as CVE-2014-3622 since 05/14/2014. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 02/21/2022). This vulnerability has a historic impact due to its background and reception.

The vulnerability scanner Nessus provides a plugin with the ID 78082 (PHP 5.6.x < 5.6.1 'add_post_var' Code Execution), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CGI abuses. The commercial vulnerability scanner Qualys is able to test this issue with plugin 123715 (Solaris 11.2 Support Repository Update (SRU) 12.5.0 Missing).

Upgrading to version 5.6.1 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (96853), Tenable (78082), SecurityFocus (BID 70259†) and Vulnerability Center (SBV-46362†). Further details are available at bugs.php.net. Similar entries are available at VDB-74524, VDB-75451, VDB-90573 and VDB-90611. Once again VulDB remains the best source for vulnerability data.

Productinfo

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.1

VulDB Base Score: 7.3
VulDB Temp Score: 6.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 78082
Nessus Name: PHP 5.6.x < 5.6.1 'add_post_var' Code Execution
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: PHP 5.6.1

Timelineinfo

05/14/2014 🔍
10/02/2014 +141 days 🔍
10/02/2014 +0 days 🔍
10/02/2014 +0 days 🔍
10/07/2014 +5 days 🔍
10/08/2014 +1 days 🔍
10/09/2014 +1 days 🔍
02/21/2022 +2692 days 🔍

Sourcesinfo

Product: php.org

Advisory: 68088
Researcher: Stefan Esser
Status: Confirmed

CVE: CVE-2014-3622 (🔍)
GCVE (CVE): GCVE-0-2014-3622
GCVE (VulDB): GCVE-100-67740

IAVM: 🔍

X-Force: 96853 - PHP efree() code execution, High Risk
SecurityFocus: 70259 - PHP 'efree()' Function Remote Code Execution Vulnerability
Vulnerability Center: 46362 - PHP PHP 5.6 \x27efree()\x27 Remote Code Execution Vulnerability, High

Misc.: 🔍
See also: 🔍

Entryinfo

Created: 10/09/2014 11:31
Updated: 02/21/2022 11:25
Changes: 10/09/2014 11:31 (68), 06/08/2017 08:59 (4), 02/21/2022 11:09 (3), 02/21/2022 11:17 (18), 02/21/2022 11:25 (1)
Complete: 🔍
Cache ID: 216:CFF:103

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