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.

CVSS v3 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3 : HIGH

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

5.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:N/C:N/I:N/A:P

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

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

Configurations

Configuration 1 (hide)

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

History

No history.

Information

Published : 2021-11-08 04:15

Updated : 2024-11-21 06:27

NVD link : CVE-2021-42074

Mitre link : CVE-2021-42074

CVE.ORG link : CVE-2021-42074

JSON object : View

Products Affected

barrier_project

barrier

CWE

CWE-416

Use After Free

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