CVE-2021-23470

  1. Reconshell
  2. Vulnerabilities (CVE)
  3. CVE-2021-23470
This affects the package putil-merge before 3.8.0. The merge() function does not check the values passed into the argument. An attacker can supply a malicious value by adjusting the value to include the constructor property. Note: This vulnerability derives from an incomplete fix in https://security.snyk.io/vuln/SNYK-JS-PUTILMERGE-1317077

9.8 /10

CVSS v3.0 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5 /10

CVSS v2.0 : HIGH

V2 Legend

Vector : AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References
Link Resource
https://snyk.io/vuln/SNYK-JS-PUTILMERGE-2391487 Exploit Vendor Advisory
https://github.com/panates/putil-merge/commit/476d00078dfb2827d7c9ee0f2392c81b864f7bc5 Patch Third Party Advisory
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Configurations

Configuration 1 (hide)

cpe:2.3:a:putil-merge_project:putil-merge:*:*:*:*:*:*:*:*
Information

Published : 2022-02-04 12:15

Updated : 2022-02-08 18:07

NVD link : CVE-2021-23470

Mitre link : CVE-2021-23470

JSON object : View

CWE
CWE-1321

Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')

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Products Affected

putil-merge_project

  • putil-merge