| Package | Affected versions | Patched versions |
|---|---|---|
| samba | ≥ 3.6.0, < 4.2.10≥ 4.3.0, < 4.3.7≥ 4.4.0, < 4.4.1 | 4.2.104.3.74.4.1 |
The MS-SAMR and MS-LSAD protocol implementations in Samba 3.x and 4.x before 4.2.11, 4.3.x before 4.3.8, and 4.4.x before 4.4.2 mishandle DCERPC connections, which allows man-in-the-middle attackers to perform protocol-downgrade attacks and impersonate users by modifying the client-server data stream, aka "BADLOCK."
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