json8-merge-patch Package up to 1.0.2 on npm Constructor code injection

CVSS Meta Temp Score
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CTI Interest Score
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6.2$0-$5k0.00

Summaryinfo

A vulnerability has been found in json8-merge-patch Package up to 1.0.2 on npm and classified as critical. This issue affects some unknown processing of the component Constructor Handler. The manipulation leads to code injection. This vulnerability is documented as CVE-2020-8268. There is not any exploit available. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability, which was classified as critical, has been found in json8-merge-patch Package up to 1.0.2 on npm (NPM Package). This issue affects an unknown part of the component Constructor Handler. The manipulation with an unknown input leads to a code injection vulnerability. Using CWE to declare the problem leads to CWE-94. The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment. Impacted is confidentiality, integrity, and availability.

The weakness was released 11/09/2020. It is possible to read the advisory at hackerone.com. The identification of this vulnerability is CVE-2020-8268. The exploitation is known to be easy. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1059 according to MITRE ATT&CK.

Upgrading to version 1.0.3 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The best possible mitigation is suggested to be patching the affected component.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.4

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Code injection
CWE: CWE-94 / CWE-74 / CWE-707
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: Patch
Status: 🔍

0-Day Time: 🔍

Upgrade: json8-merge-patch Package 1.0.3

Timelineinfo

01/28/2020 🔍
11/09/2020 +286 days 🔍
11/09/2020 +0 days 🔍
12/04/2020 +25 days 🔍

Sourcesinfo

Advisory: hackerone.com
Status: Confirmed

CVE: CVE-2020-8268 (🔍)
GCVE (CVE): GCVE-0-2020-8268
GCVE (VulDB): GCVE-100-164531

Entryinfo

Created: 11/09/2020 22:30
Updated: 12/04/2020 07:32
Changes: 11/09/2020 22:30 (38), 12/04/2020 07:26 (3), 12/04/2020 07:32 (18)
Complete: 🔍
Cache ID: 216::103

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