flatnest flatnest/nest.js prototype pollution

CVSS Meta Temp Score
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CTI Interest Score
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8.1$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in flatnest. Affected is the function nest of the file flatnest/nest.js. Performing a manipulation results in prototype pollution. This vulnerability is reported as CVE-2023-26135. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability was found in flatnest (affected version unknown). It has been classified as critical. This affects the function nest of the file flatnest/nest.js. The manipulation with an unknown input leads to a prototype pollution vulnerability. CWE is classifying the issue as CWE-1321. The product receives input from an upstream component that specifies attributes that are to be initialized or updated in an object, but it does not properly control modifications of attributes of the object prototype. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

All versions of the package flatnest are vulnerable to Prototype Pollution via the nest() function in flatnest/nest.js file.

The weakness was disclosed 06/30/2023. The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2023-26135 since 02/20/2023. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1059 for this issue.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.1
VulDB Meta Temp Score: 8.1

VulDB Base Score: 7.3
VulDB Temp Score: 7.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CNA Base Score: 7.3
CNA Vector (Snyk): 🔍

CVSSv2info

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

Exploitinginfo

Class: Prototype pollution
CWE: CWE-1321 / CWE-94 / CWE-74
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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

02/20/2023 🔍
06/30/2023 +129 days 🔍
06/30/2023 +0 days 🔍
07/21/2023 +21 days 🔍

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2023-26135 (🔍)
GCVE (CVE): GCVE-0-2023-26135
GCVE (VulDB): GCVE-100-232737

Entryinfo

Created: 06/30/2023 08:03
Updated: 07/21/2023 18:32
Changes: 06/30/2023 08:03 (46), 07/21/2023 18:32 (11)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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