CVE-2020-8252
Published: August 31, 2023Last modified: August 31, 2023
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.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7.8 |
| Attack Vector | LOCAL |
| Attack complexity | LOW |
| Privileges required | LOW |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | HIGH |
| Integrity impact | HIGH |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | libuv | Not affected (1.44.2-r0) |
| nodejs | Not affected (18.17.1-r0) | ||
| Stream | libuv | Not affected (1.46.0-r0) | |
| nodejs | Not affected (18.17.1-r0) |
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/4OOYAMJVLLCLXDTHW3V5UXNULZBBK4O6/
- https://lists.fedoraproject.org/archives/list/[email protected]/message/4OOYAMJVLLCLXDTHW3V5UXNULZBBK4O6/
- 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/