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GitHub Advisory DatabaseGHSA-GJM5-83CW-P3P2

HistoryJan 12, 2022 - 10:59 p.m.

Prototype Pollution in extend2

2022-01-1222:59:13

CWE-1321

GitHub Advisory Database

github.com

7.5 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

0.006 Low

EPSS

Percentile

78.2%

JSON

The package extend2 before 1.0.1 are vulnerable to Prototype Pollution via the extend function due to unsafe recursive merge.

Affected configurations

Vulners

Node

eggjsextend2Range<1.0.1node.js

CPENameOperatorVersion
extend2lt1.0.1

CPE	Name	Operator	Version
	extend2	lt	1.0.1

References

github.com/advisories/GHSA-gjm5-83cw-p3p2

github.com/eggjs/extend2/blob/master/index.js%23L50-L60

github.com/eggjs/extend2/commit/aa332a59116c8398976434b57ea477c6823054f8

github.com/eggjs/extend2/pull/2

nvd.nist.gov/vuln/detail/CVE-2021-23568

snyk.io/vuln/SNYK-JS-EXTEND2-2320315

7.5 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

0.006 Low

EPSS

Percentile

78.2%

JSON

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