PHP 5.5.20/5.6.0/5.6.1/5.6.2/5.6.3 zend_ts_hash.c zend_ts_hash_graceful_destroy double free

EntryHistoryDiffjsonxmlCTI

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.6	$0-$5k	0.00

A vulnerability was found in PHP 5.5.20/5.6.0/5.6.1/5.6.2/5.6.3 (Programming Language Software). It has been classified as problematic. This affects the function zend_ts_hash_graceful_destroy of the file zend_ts_hash.c. The manipulation with an unknown input leads to a double free vulnerability. CWE is classifying the issue as CWE-415. The product calls free() twice on the same memory address, potentially leading to modification of unexpected memory locations. This is going to have an impact on availability.

The weakness was disclosed 12/31/2014 as Fixed bug #68676 (Explicit Double Free) as confirmed git commit (GIT Repository). It is possible to read the advisory at git.php.net. This vulnerability is uniquely identified as CVE-2014-9425 since 12/29/2014. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 81688 (GLSA-201503-03 : 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 370192 (Apple Mac OS X v10.11 Not Installed (APPLE-SA-2015-09-30-3)).

Applying a patch is able to eliminate this problem. The bugfix is ready for download at git.php.net.

The vulnerability is also documented in the databases at X-Force (99589) and Tenable (81688). The entries 69091, 78314 and 78335 are pretty similar.

Productinfo

Type

Programming Language Software

Name

Version

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.6

VulDB Base Score: 5.3
VulDB Temp Score: 4.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock

VulDB Base Score: 🔍
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NVD Base Score: 🔍

Exploitinginfo

Class: Double free
CWE: CWE-415 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

Nessus ID: 81688
Nessus Name: GLSA-201503-03 : PHP: Multiple vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 80056
OpenVAS Name: Oracle Linux Local Check: ELSA-2015-1218
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍
Patch: 24125f0f26f3787c006e4a51611ba33ee3b841cb

Timelineinfo

12/29/2014 🔍
12/30/2014 +1 days 🔍
12/31/2014 +1 days 🔍
12/31/2014 +0 days 🔍
12/31/2014 +0 days 🔍
09/30/2015 +273 days 🔍
10/01/2015 +1 days 🔍
03/01/2022 +2343 days 🔍

Sourcesinfo

Product: php.org

Advisory: Fixed bug #68676 (Explicit Double Free)
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2014-9425 (🔍)
X-Force: 99589 - PHP Zend Engine code execution, High Risk
SecurityTracker: 1031479
Vulnerability Center: 53047 - PHP Remote DoS or Other Impact due to Double Free - CVE-2014-9425, High
SecurityFocus: 71800

See also: 🔍

Entryinfo

Created: 12/31/2014 21:14
Updated: 03/01/2022 19:19
Changes: 12/31/2014 21:14 (66), 02/01/2018 07:11 (11), 03/01/2022 19:11 (4), 03/01/2022 19:19 (1)
Complete: 🔍