CVE-2021-23507 : The package object-path-set before 1.0.2 are vulnerable to Prototype Pollution v

The package object-path-set before 1.0.2 are vulnerable to Prototype Pollution via the setPath method, as it allows an attacker to merge object prototypes into it. *Note:* This vulnerability derives from an incomplete fix in https://security.snyk.io/vuln/SNYK-JS-OBJECTPATHSET-607908

Published 2022-02-04 20:15:08

Updated 2022-02-09 17:39:05

Source Snyk

View at NVD, CVE.org

Products affected by CVE-2021-23507

Skratchdot » Object-path-set
Versions before (<) 1.0.2
cpe:2.3:a:skratchdot:object-path-set:*:*:*:*:*:*:*:*
Matching versions

Exploit prediction scoring system (EPSS) score for CVE-2021-23507

EPSS FAQ

0.48%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 62 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-23507

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
7.5	HIGH	AV:N/AC:L/Au:N/C:P/I:P/A:P	10.0	6.4	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: Partial Integrity Impact: Partial Availability Impact: Partial
9.8	CRITICAL	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	3.9	5.9	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High
7.5	HIGH	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	3.9	3.6	Snyk
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: High

CWE ids for CVE-2021-23507

CWE-1321 Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')

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.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2021-23507

https://snyk.io/vuln/SNYK-JS-OBJECTPATHSET-2388576

Prototype Pollution in object-path-set | CVE-2021-23507 | Snyk
Exploit;Third Party Advisory
https://github.com/skratchdot/object-path-set/commit/2d67a714159c4099589b6661fa84e6d2adc31761

fix new prototype pollution vulnerability · skratchdot/object-path-set@2d67a71 · GitHub
Patch;Third Party Advisory
https://snyk.io/blog/remediate-javascript-type-confusion-bypassed-input-validation/

JavaScript type confusion: Bypassed input validation (and how to remediate) | Snyk
Third Party Advisory

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Vulnerability Details : CVE-2021-23507

Products affected by CVE-2021-23507

Exploit prediction scoring system (EPSS) score for CVE-2021-23507

CVSS scores for CVE-2021-23507

CWE ids for CVE-2021-23507

References for CVE-2021-23507