CVE-2021-42074

High

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.

SeverityHigh
CVSS7.5
Exploit probability—
ProductBarrier
PublishedNov 8, 2021
First seenNov 8, 2021

How to fix

Update
  • barrier_project barrier2.3.4 or later

Affected products

ProductAffected versionsFixed in
barrier_project barrierv < 2.3.42.3.4

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