CVE-2017-12150

high-risk
Published 2018-07-26

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.

Do I need to act?

!
19.9% chance of exploitation in next 30 days
EPSS score — higher than 80% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.4/10 High
NETWORK / HIGH complexity

Affected Products (10)

Affected Vendors

Debian Redhat Samba

References (24)

Third Party Advisory http://www.securityfocus.com/bid/100918
Third Party Advisory http://www.securitytracker.com/id/1039401
Third Party Advisory https://access.redhat.com/errata/RHSA-2017:2789
Third Party Advisory https://access.redhat.com/errata/RHSA-2017:2790
Third Party Advisory https://access.redhat.com/errata/RHSA-2017:2791
Third Party Advisory https://access.redhat.com/errata/RHSA-2017:2858
Issue Tracking https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-12150
Third Party Advisory https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na...
Third Party Advisory https://security.netapp.com/advisory/ntap-20170921-0001/
Third Party Advisory https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpe...
Third Party Advisory https://www.debian.org/security/2017/dsa-3983
Patch https://www.samba.org/samba/security/CVE-2017-12150.html
Third Party Advisory http://www.securityfocus.com/bid/100918
Third Party Advisory http://www.securitytracker.com/id/1039401
Third Party Advisory https://access.redhat.com/errata/RHSA-2017:2789
Third Party Advisory https://access.redhat.com/errata/RHSA-2017:2790
Third Party Advisory https://access.redhat.com/errata/RHSA-2017:2791
Third Party Advisory https://access.redhat.com/errata/RHSA-2017:2858
Issue Tracking https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-12150
Third Party Advisory https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na...
and 4 more references
52
/ 100
high-risk
Severity 22/34 · High
Exploitability 14/34 · Moderate
Exposure 16/34 · Moderate