CVE-2017-12151
HIGH severity · CVSS 7.4 · CWE-300
7.4CVSS HIGH
Summary
A flaw was found in the way samba client before samba 4.4.16, samba 4.5.14 and samba 4.6.8 used encryption with the max protocol set as SMB3. The connection could lose the requirement for signing and encrypting to any DFS redirects, allowing an attacker to read or alter the contents of the connection via a man-in-the-middle attack.
Impact & exploitability
Attack vectorNetwork
Attack complexityHigh
Privileges requiredNone
User interactionNone
Confidentiality impactHigh
Integrity impactHigh
Availability impactNone
Exploit probability (EPSS)4%
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Additional information
- NVD record
- http://www.securityfocus.com/bid/100917Advisory
- http://www.securitytracker.com/id/1039401Advisory
- https://access.redhat.com/errata/RHSA-2017:2790Advisory
- https://access.redhat.com/errata/RHSA-2017:2858Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-12151Advisory
- https://security.netapp.com/advisory/ntap-20170921-0001/Advisory
- https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03817en_usAdvisory
- https://www.debian.org/security/2017/dsa-3983Advisory