CVE-2017-12163

moderate-risk

Published 2018-07-26

An information leak flaw was found in the way SMB1 protocol was implemented by Samba before 4.4.16, 4.5.x before 4.5.14, and 4.6.x before 4.6.8. A malicious client could use this flaw to dump server memory contents to a file on the samba share or to a shared printer, though the exact area of server memory cannot be controlled by the attacker.

Do I need to act?

41.4% chance of exploitation in next 30 days

EPSS score — higher than 59% of all CVEs

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 4.1/10 Medium

ADJACENT_NETWORK / LOW complexity

Affected Products (10)

Samba

Enterprise Linux Desktop

Enterprise Linux Server

Enterprise Linux Workstation

Gluster Storage

Debian Linux

Affected Vendors

Debian Redhat Samba

References (26)

Third Party Advisory http://www.securityfocus.com/bid/100925

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-2017-12163

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-2017-12163.html

Mitigation https://www.synology.com/support/security/Synology_SA_17_57_Samba

Third Party Advisory http://www.securityfocus.com/bid/100925

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-2017-12163

and 6 more references

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moderate-risk

Severity 15/34 · Moderate

Exploitability 17/34 · Moderate

Exposure 16/34 · Moderate