CVE-2021-42072
An issue was discovered in Barrier before 2.4.0. The barriers component (aka the server-side implementation of Barrier) does not sufficiently verify the identify of connecting clients. Clients can thus exploit weaknesses in the provided protocol to cause denial-of-service or stage further attacks that could lead to information leaks or integrity corruption.
| Software | From | Fixed in |
|---|---|---|
| barrier_project / barrier | - | 2.4.0 |
| fedoraproject / fedora | 34 | 34.x |
| fedoraproject / fedora | 35 | 35.x |
- http://www.openwall.com/lists/oss-security/2021/11/02/4
- https://github.com/debauchee/barrier/releases/tag/v2.4.0
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CIEVNCFEFO7L3NTM4VUZB3WKYYCBTFCI/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XMU3STOKHPEZSC54MZ42YBFFC2R3BU2Q/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CIEVNCFEFO7L3NTM4VUZB3WKYYCBTFCI/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XMU3STOKHPEZSC54MZ42YBFFC2R3BU2Q/
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