Vulnerability Description
An issue was discovered in Barrier before 2.3.4. An attacker can cause memory exhaustion in the barriers component (aka the server-side implementation of Barrier) and barrierc by sending long TCP messages.
CVSS Score
7.5
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Barrier Project | Barrier | < 2.3.4 |
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/v2.3.4Release NotesThird Party Advisory
- http://www.openwall.com/lists/oss-security/2021/11/02/4ExploitMailing ListThird Party Advisory
- https://github.com/debauchee/barrier/releases/tag/v2.3.4Release NotesThird Party Advisory
FAQ
What is CVE-2021-42076?
CVE-2021-42076 is a vulnerability with a CVSS score of 7.5 (HIGH). An issue was discovered in Barrier before 2.3.4. An attacker can cause memory exhaustion in the barriers component (aka the server-side implementation of Barrier) and barrierc by sending long TCP mess...
How severe is CVE-2021-42076?
CVE-2021-42076 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-42076?
Check the references section above for vendor advisories and patch information. Affected products include: Barrier Project Barrier.