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GitHub Advisory DatabaseGHSA-J377-2X76-558H

HistoryDec 10, 2021 - 5:25 p.m.

Improper Input Validation in is-email

2021-12-1017:25:21

CWE-20

CWE-400

GitHub Advisory Database

github.com

improper input validation

is-email

cpu consumption

node.js

redos

security flaw

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.001

Percentile

45.6%

JSON

is-email helps validate an email address. A ReDoS (regular expression denial of service) flaw was found in the Segment is-email package before 1.0.1 for Node.js. An attacker that is able to provide crafted input to the isEmail(input) function may cause an application to consume an excessive amount of CPU.

Affected configurations

Vulners

Node

segmentis-emailRange<1.0.1node.js

VendorProductVersionCPE
segmentis-email*cpe:2.3:a:segment:is-email:*:*:*:*:*:node.js:*:*

Vendor	Product	Version	CPE
segment	is-email	*	cpe:2.3:a:segment:is-email::::::node.js::*

References

github.com/advisories/GHSA-j377-2x76-558h

github.com/segmentio/is-email/releases

nvd.nist.gov/vuln/detail/CVE-2021-36716

segment.com/docs/release_notes/2021-07-13-cve-2021-36716/

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.001

Percentile

45.6%

JSON

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