PHP up to 5.6.12 GMP unserialize memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.0$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in PHP up to 5.6.12. This affects the function unserialize of the component GMP. The manipulation results in memory corruption. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in PHP up to 5.6.12 (Programming Language Software). It has been classified as critical. Affected is the function unserialize of the component GMP. 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 disclosed 09/03/2015 as Version 5.6.13 as confirmed changelog entry (Website). The advisory is shared for download at secure.php.net. 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.

Upgrading to version 5.4.45, 5.5.29 or 5.6.13 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityTracker (ID 1033548†). The entries VDB-77708, VDB-77709, VDB-77710 and VDB-77711 are pretty similar. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: PHP 5.4.45/5.5.29/5.6.13

Timelineinfo

09/03/2015 🔍
09/03/2015 +0 days 🔍
09/14/2015 +11 days 🔍
09/16/2015 +2 days 🔍
12/19/2017 +825 days 🔍

Sourcesinfo

Product: php.org

Advisory: Version 5.6.13
Status: Confirmed

GCVE (VulDB): GCVE-100-77712
SecurityTracker: 1033548

See also: 🔍

Entryinfo

Created: 09/16/2015 11:27
Updated: 12/19/2017 08:19
Changes: 09/16/2015 11:27 (45), 12/19/2017 08:19 (4)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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