Buffer overflow in Nodejs Node
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.
Vulnerability class: Buffer Overflow
EPSS: 0.007 (50.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Nodejs Node — versions 4.0, 5.0, 6.0
- Nodejs Node.js
- Fedoraproject Fedora — versions 33
- Opensuse Leap — versions 15.2
Weakness classification (CWE)
References
- support@hackerone.com (x_refsource_MISC, Vendor Advisory)
- support@hackerone.com (Permissions Required, Third Party Advisory, x_refsource_MISC)
- support@hackerone.com (vendor-advisory, Third Party Advisory, x_refsource_GENTOO)
- support@hackerone.com (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)
- support@hackerone.com (vendor-advisory, Third Party Advisory, x_refsource_SUSE)
- support@hackerone.com (x_refsource_CONFIRM, Third Party Advisory)
- support@hackerone.com (vendor-advisory, Mailing List, Third Party Advisory, x_refsource_SUSE)
- support@hackerone.com (x_refsource_FEDORA, vendor-advisory)
Frequently asked questions
- What is CVE-2020-8252?
- CVE-2020-8252 is a high-severity vulnerability in Nodejs Node, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.8/10. Published 2020-09-18.
- How severe is CVE-2020-8252?
- High severity. CVSS v3 base score is 7.8 out of 10.