PHP 5.3.29/5.4.38/5.5.22/5.6.6 unserialize use after free

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.4$0-$5k0.00

A vulnerability, which was classified as critical, has been found in PHP 5.3.29/5.4.38/5.5.22/5.6.6 (Programming Language Software). Affected by this issue is the function unserialize. The manipulation with an unknown input leads to a use after free vulnerability. Using CWE to declare the problem leads to CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. Impacted is confidentiality, integrity, and availability.

The weakness was released 03/20/2015 as confirmed mailinglist post (Full-Disclosure). The advisory is available at seclists.org. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details are known, but there is no available exploit.

Upgrading to version 5.6.7 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at X-Force (101823). Entry connected to this vulnerability is available at 74127.

Productinfo

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Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

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

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.4

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

CVSSv2info

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

Exploitinginfo

Class: Use after free
CWE: CWE-416 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Unproven
Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: PHP 5.6.7

Timelineinfo

03/20/2015 🔍
03/27/2015 +7 days 🔍
09/13/2018 +1266 days 🔍

Sourcesinfo

Product: php.org

Advisory: seclists.org
Status: Confirmed
X-Force: 101823 - PHP unserialize() code execution

See also: 🔍

Entryinfo

Created: 03/27/2015 10:29
Updated: 09/13/2018 09:26
Changes: 03/27/2015 10:29 (41), 09/13/2018 09:26 (4)
Complete: 🔍

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