CVE-2020-8252high
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.
References
https://hackerone.com/reports/965914
https://nodejs.org/en/blog/vulnerability/september-2020-security-releases/
https://security.gentoo.org/glsa/202009-15
https://usn.ubuntu.com/4548-1/
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00011.html
https://security.netapp.com/advisory/ntap-20201009-0004/
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00023.html
Details
Source: MITRE
Published: 2020-09-18
Updated: 2022-05-24
Type: CWE-120
Risk Information
CVSS v2
Base Score: 4.6
Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P
Impact Score: 6.4
Exploitability Score: 3.9
Severity: MEDIUM
CVSS v3
Base Score: 7.8
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Impact Score: 5.9
Exploitability Score: 1.8
Severity: HIGH