Vulnerability Description
An issue was discovered in Barrier before 2.4.0. The barriers component (aka the server-side implementation of Barrier) does not sufficiently verify the identify of connecting clients. Clients can thus exploit weaknesses in the provided protocol to cause denial-of-service or stage further attacks that could lead to information leaks or integrity corruption.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Barrier Project | Barrier | < 2.4.0 |
| Fedoraproject | Fedora | 34 |
Related Weaknesses (CWE)
References
- http://www.openwall.com/lists/oss-security/2021/11/02/4ExploitMailing ListThird Party Advisory
- https://github.com/debauchee/barrier/releases/tag/v2.4.0Release NotesThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- http://www.openwall.com/lists/oss-security/2021/11/02/4ExploitMailing ListThird Party Advisory
- https://github.com/debauchee/barrier/releases/tag/v2.4.0Release NotesThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
FAQ
What is CVE-2021-42072?
CVE-2021-42072 is a vulnerability with a CVSS score of 8.8 (HIGH). An issue was discovered in Barrier before 2.4.0. The barriers component (aka the server-side implementation of Barrier) does not sufficiently verify the identify of connecting clients. Clients can thu...
How severe is CVE-2021-42072?
CVE-2021-42072 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-42072?
Check the references section above for vendor advisories and patch information. Affected products include: Barrier Project Barrier, Fedoraproject Fedora.