CVE-2020-8265

high

Description

Node.js versions before 10.23.1, 12.20.1, 14.15.4, 15.5.1 are vulnerable to a use-after-free bug in its TLS implementation. When writing to a TLS enabled socket, node::StreamBase::Write calls node::TLSWrap::DoWrite with a freshly allocated WriteWrap object as first argument. If the DoWrite method does not return an error, this object is passed back to the caller as part of a StreamWriteResult structure. This may be exploited to corrupt memory leading to a Denial of Service or potentially other exploits.

References

https://nodejs.org/en/blog/vulnerability/january-2021-security-releases/

https://hackerone.com/reports/988103

https://www.debian.org/security/2021/dsa-4826

https://lists.fedoraproject.org/archives/list/[email protected]/message/K4I6MZNC7C7VIDQR267OL4TVCI3ZKAC4/

https://security.gentoo.org/glsa/202101-07

https://lists.fedoraproject.org/archives/list/[email protected]/message/H472D5HPXN6RRXCNFML3BK5OYC52CXF2/

https://www.oracle.com/security-alerts/cpujan2021.html

https://security.netapp.com/advisory/ntap-20210212-0003/

https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf

Details

Source: MITRE

Published: 2021-01-06

Updated: 2022-04-06

Type: CWE-416

Risk Information

CVSS v2

Base Score: 6.8

Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P

Impact Score: 6.4

Exploitability Score: 8.6

Severity: MEDIUM

CVSS v3

Base Score: 8.1

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

Impact Score: 5.9

Exploitability Score: 2.2

Severity: HIGH