CVE Vulnerability

CVE-2021-42075

An issue was discovered in Barrier before 2.3.4. The barriers component (aka the server-side implementation of Barrier) does not correctly close file descriptors for established TCP connections. An unauthenticated remote attacker can thus cause file descriptor exhaustion in the server process, leading to denial of service.

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 : 2022-07-12 05:42

NVD link : CVE-2021-42075

Mitre link : CVE-2021-42075

Products Affected
No products.
CWE
CWE-772