CVE-2021-22918

CVE Details

Release Date:	2021-07-12
Impact:	None	What is this?

Description

Node.js before 16.4.1, 14.17.2, 12.22.2 is vulnerable to an out-of-bounds read when uv__idna_toascii() is used to convert strings to ASCII. The pointer p is read and increased without checking whether it is beyond pe, with the latter holding a pointer to the end of the buffer. This can lead to information disclosures or crashes. This function can be triggered via uv_getaddrinfo().

See more information about CVE-2021-22918 from MITRE CVE dictionary and NIST NVD

NOTE: The following CVSS metrics and score provided are preliminary and subject to review.

CVSS v3 metrics

Base Score:	5.3
Vector String:	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Version:	3.0
Attack Vector:	Network
Attack Complexity:	Low
Privileges Required:	None
User Interaction:	None
Scope:	Unchanged
Confidentiality Impact:	Low
Integrity Impact:	None
Availability Impact:	None

Errata information

Platform	Errata	Release Date
Oracle Linux version 8 (libuv)	ELSA-2021-3075	2021-08-11
Oracle Linux version 8 (nodejs)	ELSA-2021-3073	2021-08-12
Oracle Linux version 8 (nodejs)	ELSA-2021-3074	2021-08-12
Oracle Linux version 8 (nodejs-nodemon)	ELSA-2021-3073	2021-08-12
Oracle Linux version 8 (nodejs-nodemon)	ELSA-2021-3074	2021-08-12
Oracle Linux version 8 (nodejs-packaging)	ELSA-2021-3073	2021-08-12
Oracle Linux version 8 (nodejs-packaging)	ELSA-2021-3074	2021-08-12