High severity · published Sep 18, 2020
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…
7.8
CVSS
0.7%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 54% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FE
Fedora · Fedoraproject
33 · source: NVD
LE
Leap · Opensuse
15.2 · source: NVD
NO
Node.js · Nodejs
10.0.0 before 10.22.1; 12.0.0 before 12.18.4; 14.0.0 before 14.9.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-8252
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-8252
Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00011.html
Mailing List
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00023.html
Permissions Required
https://hackerone.com/reports/965914
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4OOYAMJVLLCLXDTHW3V5UXNULZBBK4O6/
Vendor Advisory
https://nodejs.org/en/blog/vulnerability/september-2020-security-releases/
Third Party Advisory
https://security.gentoo.org/glsa/202009-15
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