PHP up to 7.3.26/7.4.14 SoapClient query null pointer dereference

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.1$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in PHP up to 7.3.26/7.4.14. Affected is the function Query of the component SoapClient. Executing a manipulation can lead to null pointer dereference. This vulnerability is handled as CVE-2021-21702. The attack can be executed remotely. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability has been found in PHP up to 7.3.26/7.4.14 (Programming Language Software) and classified as problematic. This vulnerability affects the function query of the component SoapClient. The manipulation with an unknown input leads to a null pointer dereference vulnerability. The CWE definition for the vulnerability is CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. As an impact it is known to affect availability.

The weakness was released 02/08/2021 as 80672. The advisory is available at bugs.php.net. This vulnerability was named CVE-2021-21702. Technical details are known, but there is no available exploit.

Upgrading to version 7.3.27 or 7.4.15 eliminates this vulnerability. The upgrade is hosted for download at php.net.

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Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

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

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: PHP 7.3.27/7.4.15

Timelineinfo

01/04/2021 🔍
02/08/2021 +35 days 🔍
02/08/2021 +0 days 🔍
02/25/2021 +17 days 🔍

Sourcesinfo

Product: php.org

Advisory: 80672
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-21702 (🔍)
GCVE (CVE): GCVE-0-2021-21702
GCVE (VulDB): GCVE-100-169366

Entryinfo

Created: 02/08/2021 13:15
Updated: 02/25/2021 09:54
Changes: 02/08/2021 13:15 (42), 02/25/2021 09:47 (5), 02/25/2021 09:54 (19)
Complete: 🔍
Submitter: CSieberg
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #7351: CVE-2021-21702 - Denial of Service in PHP (by CSieberg)

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