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ubuntucveUbuntu.comUB:CVE-2021-44531
HistoryFeb 24, 2022 - 12:00 a.m.

CVE-2021-44531

2022-02-2400:00:00
ubuntu.com
ubuntu.com
56
cve-2021-44531
node.js
san types
name-constrained intermediates
uri
pki
security-revert command-line option
certificate validation
protocol

CVSS2

5.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

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

CVSS3

7.4

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

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

EPSS

0.002

Percentile

60.0%

Accepting arbitrary Subject Alternative Name (SAN) types, unless a PKI is
specifically defined to use a particular SAN type, can result in bypassing
name-constrained intermediates. Node.js < 12.22.9, < 14.18.3, < 16.13.2,
and < 17.3.1 was accepting URI SAN types, which PKIs are often not defined
to use. Additionally, when a protocol allows URI SANs, Node.js did not
match the URI correctly.Versions of Node.js with the fix for this disable
the URI SAN type when checking a certificate against a hostname. This
behavior can be reverted through the --security-revert command-line option.

CVSS2

5.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

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

CVSS3

7.4

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

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

EPSS

0.002

Percentile

60.0%