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redhatcveRedhat.comRH:CVE-2021-37701
HistoryAug 31, 2021 - 5:10 p.m.

CVE-2021-37701

2021-08-3117:10:03
redhat.com
access.redhat.com
40

4.4 Medium

CVSS2

Attack Vector

LOCAL

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

8.6 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

0.001 Low

EPSS

Percentile

48.2%

A flaw was found in the npm package “tar” (aka node-tar). Extracting tar files that contain both a directory and a symlink with the same name, where the symlink and directory names in the archive entry used backslashes as a path separator, made it possible to bypass node-tar symlink checks on directories. This flaw allows an untrusted tar file to extract and overwrite files into an arbitrary location. A similar confusion can arise on case-insensitive filesystems. The highest threat from this vulnerability is to integrity and system availability.

4.4 Medium

CVSS2

Attack Vector

LOCAL

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

8.6 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

0.001 Low

EPSS

Percentile

48.2%