CVE-2020-8252

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.

Score

CVSS 3.1 7.8 High

Status

Modified - support@hackerone.com

Published

2020-09-18

Last modified

2025-04-30

Weaknesses

CWE-120

Affected products

• Fedora (Fedoraproject)
• Node (Nodejs)
• Node.js (Nodejs)
• Leap (Opensuse)

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://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4OOYAMJVLLCLXDTHW3V5UX…
• 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/