CVE-2016-2110
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- CVE-2016-2110
CVE Details
| Release Date: | 2016-04-12 |
Description
The NTLMSSP authentication implementation in Samba 3.x and 4.x before4.2.11, 4.3.x before 4.3.8, and 4.4.x before 4.4.2 allows man-in-the-middle attackers to perform protocol-downgrade attacks by modifying the client-server data stream to remove application-layer flags or encryption settings, as demonstrated by clearing the NTLMSSP_NEGOTIATE_SEAL or NTLMSSP_NEGOTIATE_SIGN option to disrupt LDAP security.
See more information about CVE-2016-2110 from MITRE CVE dictionary and NIST NVD
CVSS v2.0 metrics
NOTE: The following CVSS v2.0 metrics and score provided are preliminary and subject to review.
| Base Score: | 4.3 | Base Metrics: | AV:A/AC:M/Au:N/C:P/I:P/A:N |
| Access Vector: | Adjacent network | Attack Complexity: | Medium |
| Authentication: | None required | Confidentiality Impact: | Partial |
| Integrity Impact: | Partial | Availability Impact: | None |
Errata information
| Platform | Errata | Release Date |
| Oracle Linux version 5 (samba) | ELSA-2016-0621 | 2016-04-12 |
| Oracle Linux version 5 (samba3x) | ELSA-2016-0613 | 2016-04-12 |
| Oracle Linux version 6 (ipa) | ELSA-2016-0612 | 2016-04-12 |
| Oracle Linux version 6 (libldb) | ELSA-2016-0612 | 2016-04-12 |
| Oracle Linux version 6 (libtalloc) | ELSA-2016-0612 | 2016-04-12 |
| Oracle Linux version 6 (libtdb) | ELSA-2016-0612 | 2016-04-12 |
| Oracle Linux version 6 (libtevent) | ELSA-2016-0612 | 2016-04-12 |
| Oracle Linux version 6 (openchange) | ELSA-2016-0612 | 2016-04-12 |
| Oracle Linux version 6 (samba4) | ELSA-2016-0612 | 2016-04-12 |
| Oracle Linux version 7 (ipa) | ELSA-2016-0612 | 2016-04-12 |
| Oracle Linux version 7 (libldb) | ELSA-2016-0612 | 2016-04-12 |
| Oracle Linux version 7 (libtalloc) | ELSA-2016-0612 | 2016-04-12 |
| Oracle Linux version 7 (libtdb) | ELSA-2016-0612 | 2016-04-12 |
| Oracle Linux version 7 (libtevent) | ELSA-2016-0612 | 2016-04-12 |
| Oracle Linux version 7 (openchange) | ELSA-2016-0612 | 2016-04-12 |
| Oracle Linux version 7 (samba) | ELSA-2016-0612 | 2016-04-12 |
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