Vulnerability Details : CVE-2021-42076
An issue was discovered in Barrier before 2.3.4. An attacker can cause memory exhaustion in the barriers component (aka the server-side implementation of Barrier) and barrierc by sending long TCP messages.
Vulnerability category: Memory Corruption
Products affected by CVE-2021-42076
- cpe:2.3:a:barrier_project:barrier:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-42076
0.14%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 50 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-42076
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST | |
|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2021-42076
-
The product writes data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-42076
-
http://www.openwall.com/lists/oss-security/2021/11/02/4
oss-security - Barrier "software KVM switch" multiple remote security issuesExploit;Mailing List;Third Party Advisory
-
https://github.com/debauchee/barrier/releases/tag/v2.3.4
Release v2.3.4 · debauchee/barrier · GitHubRelease Notes;Third Party Advisory
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