CVE-2017-12150

Description

It was found that samba before 4.4.16, 4.5.x before 4.5.14, and 4.6.x before 4.6.8 did not enforce "SMB signing" when certain configuration options were enabled. A remote attacker could launch a man-in-the-middle attack and retrieve information in plain-text.

Category

7.4
CVSS
Severity: High
CVSS 3.1 •
CVSS 3.0 •
CVSS 2.0 •
EPSS 22.04% Top 5%
Vendor Advisory redhat.com Vendor Advisory debian.org Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory samba.org
Affected: Samba samba
Published at:
Updated at:

References

Link Tags
https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbns03775en_us third party advisory
https://security.netapp.com/advisory/ntap-20170921-0001/ third party advisory
https://access.redhat.com/errata/RHSA-2017:2790 third party advisory vendor advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-12150 mitigation third party advisory issue tracking
http://www.securityfocus.com/bid/100918 third party advisory vdb entry
https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03817en_us third party advisory
https://www.samba.org/samba/security/CVE-2017-12150.html patch vendor advisory
https://www.debian.org/security/2017/dsa-3983 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2017:2858 third party advisory vendor advisory
http://www.securitytracker.com/id/1039401 third party advisory vdb entry
https://access.redhat.com/errata/RHSA-2017:2789 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2017:2791 third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2017-12150?
CVE-2017-12150 has been scored as a high severity vulnerability.
How to fix CVE-2017-12150?
To fix CVE-2017-12150, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-12150 being actively exploited in the wild?
It is possible that CVE-2017-12150 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~22% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2017-12150?
CVE-2017-12150 affects Samba samba.
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