CVE-2021-23594 : All versions of package realms-shim are vulnerable to Sandbox Bypass via a Proto

All versions of package realms-shim are vulnerable to Sandbox Bypass via a Prototype Pollution attack vector.

Published 2022-01-10 14:10:17

Updated 2022-01-13 19:06:05

Source Snyk

View at NVD, CVE.org

Products affected by CVE-2021-23594

Agoric » Realms-shim » For Node.js
cpe:2.3:a:agoric:realms-shim:*:*:*:*:*:node.js:*:*
Matching versions

EPSS FAQ

0.53%

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

~ 64 %

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

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
10.0	CRITICAL	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H	3.9	6.0	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Changed Confidentiality: High Integrity: High Availability: High
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	Snyk
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High

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)

https://www.npmjs.com/package/realms-shim

realms-shim - npm
Product;Third Party Advisory

CVEs referencing this url
https://snyk.io/vuln/SNYK-JS-REALMSSHIM-2309907

Sandbox Bypass in realms-shim | CVE-2021-23594 | Snyk
Exploit;Third Party Advisory

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