Vulnerability Description
An issue was discovered in Barrier before 2.3.4. An unauthenticated attacker can cause a segmentation fault in the barriers component (aka the server-side implementation of Barrier) by quickly opening and closing TCP connections while sending a Hello message for each TCP session.
CVSS Score
HIGH
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-2021-42074?
CVE-2021-42074 is a vulnerability with a CVSS score of 7.5 (HIGH). An issue was discovered in Barrier before 2.3.4. An unauthenticated attacker can cause a segmentation fault in the barriers component (aka the server-side implementation of Barrier) by quickly opening...
How severe is CVE-2021-42074?
CVE-2021-42074 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-2021-42074?
Check the references section above for vendor advisories and patch information. Affected products include: Barrier Project Barrier.