CVE-2021-42074 — Use After Free in Project Barrier

CWE-416 — Use After Free2 documents2 sources
Severity
7.5HIGHNVD
EPSS
1.0%
top 23.43%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
Barrier Project Barrier
Timeline
PublishedNov 8
Latest updateMay 24

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 vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages1 packages

🔴Vulnerability Details

1
GHSA
GHSA-97hp-rfmm-2c7w: An issue was discovered in Barrier before 2↗2022-05-24
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CVE-2021-42074 — Use After Free in Project Barrier | cvebase