CVE-2017-12163

Description

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.

Category

4.1
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 19.52% 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
http://www.securityfocus.com/bid/100925 third party advisory vdb entry
https://www.samba.org/samba/security/CVE-2017-12163.html patch vendor advisory
https://www.synology.com/support/security/Synology_SA_17_57_Samba mitigation third party advisory
https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03817en_us third party 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://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-12163 mitigation third party advisory issue tracking
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-2017-12163?
CVE-2017-12163 has been scored as a medium severity vulnerability.
How to fix CVE-2017-12163?
To fix CVE-2017-12163, 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-2017-12163 being actively exploited in the wild?
It is possible that CVE-2017-12163 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~20% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2017-12163?
CVE-2017-12163 affects Samba Samba.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.