CVE-2020-8252

MEDIUM

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

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/

Details

Source: MITRE

Published: 2020-09-18

Updated: 2020-10-12

Type: CWE-120

Risk Information

CVSS v2.0

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 v3.0

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