1. CVE-Search
  2. CVE-2021-42074
ID CVE-2021-42074
Summary 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.
References
Vulnerable Configurations
  • cpe:2.3:a:barrier_project:barrier:1.6.0:*:*:*:*:*:*:*
    cpe:2.3:a:barrier_project:barrier:1.6.0:*:*:*:*:*:*:*
  • cpe:2.3:a:barrier_project:barrier:1.6.1:*:*:*:*:*:*:*
    cpe:2.3:a:barrier_project:barrier:1.6.1:*:*:*:*:*:*:*
  • cpe:2.3:a:barrier_project:barrier:1.6.2:*:*:*:*:*:*:*
    cpe:2.3:a:barrier_project:barrier:1.6.2:*:*:*:*:*:*:*
  • cpe:2.3:a:barrier_project:barrier:1.6.3:*:*:*:*:*:*:*
    cpe:2.3:a:barrier_project:barrier:1.6.3:*:*:*:*:*:*:*
  • cpe:2.3:a:barrier_project:barrier:1.7.0:*:*:*:*:*:*:*
    cpe:2.3:a:barrier_project:barrier:1.7.0:*:*:*:*:*:*:*
  • cpe:2.3:a:barrier_project:barrier:1.7.1:*:*:*:*:*:*:*
    cpe:2.3:a:barrier_project:barrier:1.7.1:*:*:*:*:*:*:*
  • cpe:2.3:a:barrier_project:barrier:1.7.2:*:*:*:*:*:*:*
    cpe:2.3:a:barrier_project:barrier:1.7.2:*:*:*:*:*:*:*
  • cpe:2.3:a:barrier_project:barrier:1.7.3:*:*:*:*:*:*:*
    cpe:2.3:a:barrier_project:barrier:1.7.3:*:*:*:*:*:*:*
  • cpe:2.3:a:barrier_project:barrier:1.8.1:*:*:*:*:*:*:*
    cpe:2.3:a:barrier_project:barrier:1.8.1:*:*:*:*:*:*:*
  • cpe:2.3:a:barrier_project:barrier:1.8.3:*:*:*:*:*:*:*
    cpe:2.3:a:barrier_project:barrier:1.8.3:*:*:*:*:*:*:*
  • cpe:2.3:a:barrier_project:barrier:1.8.4:*:*:*:*:*:*:*
    cpe:2.3:a:barrier_project:barrier:1.8.4:*:*:*:*:*:*:*
  • cpe:2.3:a:barrier_project:barrier:1.8.5:*:*:*:*:*:*:*
    cpe:2.3:a:barrier_project:barrier:1.8.5:*:*:*:*:*:*:*
  • cpe:2.3:a:barrier_project:barrier:1.8.6:*:*:*:*:*:*:*
    cpe:2.3:a:barrier_project:barrier:1.8.6:*:*:*:*:*:*:*
  • cpe:2.3:a:barrier_project:barrier:1.8.7:*:*:*:*:*:*:*
    cpe:2.3:a:barrier_project:barrier:1.8.7:*:*:*:*:*:*:*
  • cpe:2.3:a:barrier_project:barrier:1.8.8:*:*:*:*:*:*:*
    cpe:2.3:a:barrier_project:barrier:1.8.8:*:*:*:*:*:*:*
  • cpe:2.3:a:barrier_project:barrier:1.9.0:*:*:*:*:*:*:*
    cpe:2.3:a:barrier_project:barrier:1.9.0:*:*:*:*:*:*:*
  • cpe:2.3:a:barrier_project:barrier:1.9.1:*:*:*:*:*:*:*
    cpe:2.3:a:barrier_project:barrier:1.9.1:*:*:*:*:*:*:*
  • cpe:2.3:a:barrier_project:barrier:1.10.2:-:*:*:*:*:*:*
    cpe:2.3:a:barrier_project:barrier:1.10.2:-:*:*:*:*:*:*
  • cpe:2.3:a:barrier_project:barrier:1.10.2:rc1:*:*:*:*:*:*
    cpe:2.3:a:barrier_project:barrier:1.10.2:rc1:*:*:*:*:*:*
  • cpe:2.3:a:barrier_project:barrier:1.10.2:rc2:*:*:*:*:*:*
    cpe:2.3:a:barrier_project:barrier:1.10.2:rc2:*:*:*:*:*:*
  • cpe:2.3:a:barrier_project:barrier:1.10.3:*:*:*:*:*:*:*
    cpe:2.3:a:barrier_project:barrier:1.10.3:*:*:*:*:*:*:*
  • cpe:2.3:a:barrier_project:barrier:1.11.0:*:*:*:*:*:*:*
    cpe:2.3:a:barrier_project:barrier:1.11.0:*:*:*:*:*:*:*
  • cpe:2.3:a:barrier_project:barrier:1.11.0:rc2:*:*:*:*:*:*
    cpe:2.3:a:barrier_project:barrier:1.11.0:rc2:*:*:*:*:*:*
  • cpe:2.3:a:barrier_project:barrier:2.0.0:-:*:*:*:*:*:*
    cpe:2.3:a:barrier_project:barrier:2.0.0:-:*:*:*:*:*:*
  • cpe:2.3:a:barrier_project:barrier:2.0.0:rc1:*:*:*:*:*:*
    cpe:2.3:a:barrier_project:barrier:2.0.0:rc1:*:*:*:*:*:*
  • cpe:2.3:a:barrier_project:barrier:2.0.0:rc2:*:*:*:*:*:*
    cpe:2.3:a:barrier_project:barrier:2.0.0:rc2:*:*:*:*:*:*
  • cpe:2.3:a:barrier_project:barrier:2.0.3:beta:*:*:*:*:*:*
    cpe:2.3:a:barrier_project:barrier:2.0.3:beta:*:*:*:*:*:*
  • cpe:2.3:a:barrier_project:barrier:2.0.4:beta:*:*:*:*:*:*
    cpe:2.3:a:barrier_project:barrier:2.0.4:beta:*:*:*:*:*:*
  • cpe:2.3:a:barrier_project:barrier:2.0.7:beta:*:*:*:*:*:*
    cpe:2.3:a:barrier_project:barrier:2.0.7:beta:*:*:*:*:*:*
  • cpe:2.3:a:barrier_project:barrier:2.0.8:beta:*:*:*:*:*:*
    cpe:2.3:a:barrier_project:barrier:2.0.8:beta:*:*:*:*:*:*
  • cpe:2.3:a:barrier_project:barrier:2.1.0:*:*:*:*:*:*:*
    cpe:2.3:a:barrier_project:barrier:2.1.0:*:*:*:*:*:*:*
  • cpe:2.3:a:barrier_project:barrier:2.1.1:*:*:*:*:*:*:*
    cpe:2.3:a:barrier_project:barrier:2.1.1:*:*:*:*:*:*:*
  • cpe:2.3:a:barrier_project:barrier:2.1.2:*:*:*:*:*:*:*
    cpe:2.3:a:barrier_project:barrier:2.1.2:*:*:*:*:*:*:*
  • cpe:2.3:a:barrier_project:barrier:2.3.0:*:*:*:*:*:*:*
    cpe:2.3:a:barrier_project:barrier:2.3.0:*:*:*:*:*:*:*
  • cpe:2.3:a:barrier_project:barrier:2.3.1:*:*:*:*:*:*:*
    cpe:2.3:a:barrier_project:barrier:2.3.1:*:*:*:*:*:*:*
  • cpe:2.3:a:barrier_project:barrier:2.3.2:-:*:*:*:*:*:*
    cpe:2.3:a:barrier_project:barrier:2.3.2:-:*:*:*:*:*:*
  • cpe:2.3:a:barrier_project:barrier:2.3.2:alpha:*:*:*:*:*:*
    cpe:2.3:a:barrier_project:barrier:2.3.2:alpha:*:*:*:*:*:*
  • cpe:2.3:a:barrier_project:barrier:2.3.3:*:*:*:*:*:*:*
    cpe:2.3:a:barrier_project:barrier:2.3.3:*:*:*:*:*:*:*
CVSS
Base: 5.0 (as of 09-11-2021 - 22:00)
Impact:
Exploitability:
CWE CWE-416
CAPEC
Access
VectorComplexityAuthentication
NETWORK LOW NONE
Impact
ConfidentialityIntegrityAvailability
NONE NONE PARTIAL
cvss-vector via4 AV:N/AC:L/Au:N/C:N/I:N/A:P
Last major update 09-11-2021 - 22:00
Published 08-11-2021 - 04:15
Last modified 09-11-2021 - 22:00
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