CVE-2020-8252 Information

Description

The implementation of realpath in libuv 10.22.1 12.18.4 and 14.9.0 used within Node.js incorrectly determined the buffer size which can result in a buffer overflow if the resolved path is longer than 256 bytes.

CVSS Vector

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

Reference

http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00011.html http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00023.html https://hackerone.com/reports/965914 https://nodejs.org/en/blog/vulnerability/september-2020-security-releases/ https://security.gentoo.org/glsa/202009-15 https://security.netapp.com/advisory/ntap-20201009-0004/ https://usn.ubuntu.com/4548-1/

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.8