json-ptr up to 3.0.0 Parameter type confusion

CVSS Meta Temp Score
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CTI Interest Score
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6.9$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in json-ptr up to 3.0.0. Affected is an unknown function of the component Parameter Handler. Such manipulation leads to type confusion. This vulnerability is referenced as CVE-2021-23509. It is possible to launch the attack remotely. No exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in json-ptr up to 3.0.0. It has been rated as critical. Affected by this issue is some unknown functionality of the component Parameter Handler. The manipulation with an unknown input leads to a type confusion vulnerability. Using CWE to declare the problem leads to CWE-843. The product allocates or initializes a resource such as a pointer, object, or variable using one type, but it later accesses that resource using a type that is incompatible with the original type. Impacted is confidentiality, integrity, and availability.

The weakness was published 11/04/2021 as 5dc458fbad1c382a2e3ca6d62e66ede3d92849ca. The advisory is shared for download at github.com. This vulnerability is handled as CVE-2021-23509 since 01/08/2021. There are neither technical details nor an exploit publicly available.

Upgrading to version 3.0.0 eliminates this vulnerability. Applying the patch 5dc458fbad1c382a2e3ca6d62e66ede3d92849ca is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.0
VulDB Meta Temp Score: 6.9

VulDB Base Score: 5.6
VulDB Temp Score: 5.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CNA Base Score: 5.6
CNA Vector (Snyk): 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Type confusion
CWE: CWE-843
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: json-ptr 3.0.0
Patch: 5dc458fbad1c382a2e3ca6d62e66ede3d92849ca

Timelineinfo

01/08/2021 🔍
11/04/2021 +300 days 🔍
11/04/2021 +0 days 🔍
11/09/2021 +5 days 🔍

Sourcesinfo

Advisory: 5dc458fbad1c382a2e3ca6d62e66ede3d92849ca
Status: Confirmed

CVE: CVE-2021-23509 (🔍)
GCVE (CVE): GCVE-0-2021-23509
GCVE (VulDB): GCVE-100-186020

Entryinfo

Created: 11/04/2021 08:15
Updated: 11/09/2021 10:35
Changes: 11/04/2021 08:15 (51), 11/09/2021 10:28 (1), 11/09/2021 10:35 (18)
Complete: 🔍
Cache ID: 216::103

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