Vulnerability 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 Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Nodejs | Node.Js | >= 10.0.0, < 10.22.1 |
| Opensuse | Leap | 15.2 |
| Fedoraproject | Fedora | 33 |
Related Weaknesses (CWE)
References
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00011.htmlThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00023.htmlMailing ListThird Party Advisory
- https://hackerone.com/reports/965914Permissions RequiredThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://nodejs.org/en/blog/vulnerability/september-2020-security-releases/Vendor Advisory
- https://security.gentoo.org/glsa/202009-15Third Party Advisory
- https://security.netapp.com/advisory/ntap-20201009-0004/Third Party Advisory
- https://usn.ubuntu.com/4548-1/Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00011.htmlThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00023.htmlMailing ListThird Party Advisory
- https://hackerone.com/reports/965914Permissions RequiredThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://nodejs.org/en/blog/vulnerability/september-2020-security-releases/Vendor Advisory
- https://security.gentoo.org/glsa/202009-15Third Party Advisory
- https://security.netapp.com/advisory/ntap-20201009-0004/Third Party Advisory
FAQ
What is CVE-2020-8252?
CVE-2020-8252 is a vulnerability with a CVSS score of 7.8 (HIGH). 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 long...
How severe is CVE-2020-8252?
CVE-2020-8252 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-8252?
Check the references section above for vendor advisories and patch information. Affected products include: Nodejs Node.Js, Opensuse Leap, Fedoraproject Fedora.