Vulnerability Details : 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 category: Overflow
Products affected by CVE-2020-8252
- cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
- cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:*
- cpe:2.3:a:nodejs:node.js:*:*:*:*:lts:*:*:*
- cpe:2.3:a:nodejs:node.js:*:*:*:*:lts:*:*:*
- cpe:2.3:a:nodejs:node.js:*:*:*:*:-:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-8252
0.11%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 30 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-8252
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.6
|
MEDIUM | AV:L/AC:L/Au:N/C:P/I:P/A:P |
3.9
|
6.4
|
NIST | |
|
7.8
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
NIST |
CWE ids for CVE-2020-8252
-
The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.Assigned by:
- nvd@nist.gov (Primary)
- support@hackerone.com (Secondary)
References for CVE-2020-8252
-
https://security.gentoo.org/glsa/202009-15
libuv: Buffer overflow (GLSA 202009-15) — Gentoo securityThird Party Advisory
-
https://hackerone.com/reports/965914
Sign inPermissions Required;Third Party Advisory
-
https://nodejs.org/en/blog/vulnerability/september-2020-security-releases/
September 2020 Security Releases | Node.jsVendor Advisory
-
https://usn.ubuntu.com/4548-1/
USN-4548-1: libuv vulnerability | Ubuntu security notices | UbuntuThird Party Advisory
-
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00023.html
[security-announce] openSUSE-SU-2020:1660-1: important: Security updateMailing List;Third Party Advisory
-
https://security.netapp.com/advisory/ntap-20201009-0004/
October 2020 Node.js Vulnerabilities in NetApp Products | NetApp Product SecurityThird Party Advisory
-
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00011.html
[security-announce] openSUSE-SU-2020:1616-1: important: Security updateThird Party Advisory
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4OOYAMJVLLCLXDTHW3V5UXNULZBBK4O6/
[SECURITY] Fedora 33 Update: nodejs-14.15.1-1.fc33 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
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