CVE Vulnerability

CVE-2021-42074

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.

5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

Scope

7.5 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
http://www.openwall.com/lists/oss-security/2021/11/02/4 Exploit Mailing List
https://github.com/debauchee/barrier/releases/tag/v2.3.4 Release Notes Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:barrier_project:barrier:*:*:*:*:*:*:*:*
Information

Published : 2021-11-08 04:15

Updated : 2021-11-09 10:00

NVD link : CVE-2021-42074

Mitre link : CVE-2021-42074

Products Affected
No products.
CWE
CWE-416