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.

CVSS v3.0 7.8 HIGH
CVSS v2.0 4.6 MEDIUM

7.8^/10

CVSS v3.0 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

4.6^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 3.9 / Impact : 6.4

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://hackerone.com/reports/965914	Permissions Required Third Party Advisory
https://nodejs.org/en/blog/vulnerability/september-2020-security-releases/	Vendor Advisory
https://security.gentoo.org/glsa/202009-15	Third Party Advisory
https://usn.ubuntu.com/4548-1/	Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00011.html	Third Party Advisory
https://security.netapp.com/advisory/ntap-20201009-0004/	Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00023.html	Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4OOYAMJVLLCLXDTHW3V5UXNULZBBK4O6/	Mailing List Third Party Advisory

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Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:nodejs:node.js:::::-:::*
	cpe:2.3:a:nodejs:node.js:::::lts:::*
	cpe:2.3:a:nodejs:node.js:::::lts:::*

Configuration 2 (hide)

cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:*

Configuration 3 (hide)

cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*

Information

Published : 2020-09-18 14:15

Updated : 2022-05-24 10:16

NVD link : CVE-2020-8252

Mitre link : CVE-2020-8252

JSON object : View

CWE

CWE-120

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

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Products Affected

nodejs

node.js

fedoraproject

fedora

opensuse

leap

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