7.1
HIGH
CVE-2017-12163
Samba SMB1 Information Leak Vulnerability
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.

INFO

Published Date :

July 26, 2018, 4:29 p.m.

Last Modified :

Feb. 12, 2023, 11:27 p.m.

Source :

[email protected]

Remotely Exploitable :

No

Impact Score :

4.2

Exploitability Score :

2.8
Public PoC/Exploit Available at Github

CVE-2017-12163 has a 1 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2017-12163 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Redhat enterprise_linux_desktop
2 Redhat enterprise_linux_server
3 Redhat enterprise_linux_workstation
4 Redhat gluster_storage
1 Debian debian_linux
1 Samba samba
: Total Affected Vendor : 3 | Products : 6
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2017-12163.

URL Resource
http://www.securityfocus.com/bid/100925 Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1039401 Third Party Advisory VDB Entry
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 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-12163 Mitigation Issue Tracking Third Party Advisory
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://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
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

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

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maxamillion/ansible-role-snort

Ansible Role to Setup and Configure Snort

Python

Updated: 6 years ago
1 stars 0 fork 0 watcher
Born at : July 9, 2018, 8:06 p.m. This repo has been linked 1 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2017-12163 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2017-12163 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Feb. 12, 2023

    Action Type Old Value New Value
    Changed Description An information leak flaw was found in the way SMB1 protocol was implemented by Samba. 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. 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.
    Removed Reference https://access.redhat.com/security/cve/CVE-2017-12163 [No Types Assigned]
    Removed Reference https://bugzilla.redhat.com/show_bug.cgi?id=1491206 [No Types Assigned]
    Added CWE Red Hat, Inc. CWE-200
  • CVE Modified by [email protected]

    Feb. 02, 2023

    Action Type Old Value New Value
    Changed 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. An information leak flaw was found in the way SMB1 protocol was implemented by Samba. 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.
    Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=1491206 [No Types Assigned]
    Added Reference https://access.redhat.com/security/cve/CVE-2017-12163 [No Types Assigned]
    Removed CWE Red Hat, Inc. CWE-200
  • CVE Modified by [email protected]

    Oct. 09, 2019

    Action Type Old Value New Value
    Added CVSS V3 Red Hat, Inc. AV:A/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N
    Added CWE Red Hat, Inc. CWE-200
  • CPE Deprecation Remap by [email protected]

    Apr. 22, 2019

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:o:redhat:enterprise_linux:6:*:*:*:*:*:*:* OR *cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*
  • Initial Analysis by [email protected]

    Oct. 03, 2018

    Action Type Old Value New Value
    Added CVSS V2 (AV:A/AC:L/Au:N/C:P/I:P/A:N)
    Added CVSS V3 AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
    Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-12163 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-12163 Issue Tracking, Mitigation, Third Party Advisory
    Changed Reference Type https://www.debian.org/security/2017/dsa-3983 No Types Assigned https://www.debian.org/security/2017/dsa-3983 Third Party Advisory
    Changed Reference Type https://access.redhat.com/errata/RHSA-2017:2791 No Types Assigned https://access.redhat.com/errata/RHSA-2017:2791 Third Party Advisory
    Changed Reference Type https://access.redhat.com/errata/RHSA-2017:2790 No Types Assigned https://access.redhat.com/errata/RHSA-2017:2790 Third Party Advisory
    Changed Reference Type https://www.synology.com/support/security/Synology_SA_17_57_Samba No Types Assigned https://www.synology.com/support/security/Synology_SA_17_57_Samba Mitigation, Third Party Advisory
    Changed Reference Type https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbns03775en_us No Types Assigned https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbns03775en_us Third Party Advisory
    Changed Reference Type https://www.samba.org/samba/security/CVE-2017-12163.html No Types Assigned https://www.samba.org/samba/security/CVE-2017-12163.html Patch, Vendor Advisory
    Changed Reference Type https://access.redhat.com/errata/RHSA-2017:2789 No Types Assigned https://access.redhat.com/errata/RHSA-2017:2789 Third Party Advisory
    Changed Reference Type http://www.securitytracker.com/id/1039401 No Types Assigned http://www.securitytracker.com/id/1039401 Third Party Advisory, VDB Entry
    Changed Reference Type https://access.redhat.com/errata/RHSA-2017:2858 No Types Assigned https://access.redhat.com/errata/RHSA-2017:2858 Third Party Advisory
    Changed Reference Type https://security.netapp.com/advisory/ntap-20170921-0001/ No Types Assigned https://security.netapp.com/advisory/ntap-20170921-0001/ Third Party Advisory
    Changed Reference Type http://www.securityfocus.com/bid/100925 No Types Assigned http://www.securityfocus.com/bid/100925 Third Party Advisory, VDB Entry
    Changed Reference Type https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03817en_us No Types Assigned https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03817en_us Third Party Advisory
    Added CWE CWE-200
    Added CPE Configuration OR *cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:* versions up to (excluding) 4.4.16 *cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:* versions from (including) 4.5.0 up to (excluding) 4.5.14 *cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:* versions from (including) 4.6.0 up to (excluding) 4.6.8
    Added CPE Configuration OR *cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:a:redhat:gluster_storage:3.0:*:*:*:*:*:*:* OR cpe:2.3:o:redhat:enterprise_linux:6:*:*:*:*:*:*:* cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Jul. 31, 2018

    Action Type Old Value New Value
    Removed Reference https://support.hpe.com/hpsc/doc/public/display?docLocale=en&docId=emr_na-hpesbux03817en_us [No Types Assigned]
  • CVE Modified by [email protected]

    Jul. 28, 2018

    Action Type Old Value New Value
    Added Reference https://www.synology.com/support/security/Synology_SA_17_57_Samba [No Types Assigned]
    Added Reference https://www.debian.org/security/2017/dsa-3983 [No Types Assigned]
    Added Reference https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03817en_us [No Types Assigned]
    Added Reference https://support.hpe.com/hpsc/doc/public/display?docLocale=en&docId=emr_na-hpesbux03817en_us [No Types Assigned]
    Added Reference https://security.netapp.com/advisory/ntap-20170921-0001/ [No Types Assigned]
    Added Reference https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbns03775en_us [No Types Assigned]
    Added Reference https://access.redhat.com/errata/RHSA-2017:2858 [No Types Assigned]
    Added Reference https://access.redhat.com/errata/RHSA-2017:2791 [No Types Assigned]
    Added Reference https://access.redhat.com/errata/RHSA-2017:2790 [No Types Assigned]
    Added Reference https://access.redhat.com/errata/RHSA-2017:2789 [No Types Assigned]
    Added Reference http://www.securitytracker.com/id/1039401 [No Types Assigned]
    Added Reference http://www.securityfocus.com/bid/100925 [No Types Assigned]
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2017-12163 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2017-12163 weaknesses.

CAPEC-13: Subverting Environment Variable Values Subverting Environment Variable Values CAPEC-22: Exploiting Trust in Client Exploiting Trust in Client CAPEC-59: Session Credential Falsification through Prediction Session Credential Falsification through Prediction CAPEC-60: Reusing Session IDs (aka Session Replay) Reusing Session IDs (aka Session Replay) CAPEC-79: Using Slashes in Alternate Encoding Using Slashes in Alternate Encoding CAPEC-116: Excavation Excavation CAPEC-169: Footprinting Footprinting CAPEC-224: Fingerprinting Fingerprinting CAPEC-285: ICMP Echo Request Ping ICMP Echo Request Ping CAPEC-287: TCP SYN Scan TCP SYN Scan CAPEC-290: Enumerate Mail Exchange (MX) Records Enumerate Mail Exchange (MX) Records CAPEC-291: DNS Zone Transfers DNS Zone Transfers CAPEC-292: Host Discovery Host Discovery CAPEC-293: Traceroute Route Enumeration Traceroute Route Enumeration CAPEC-294: ICMP Address Mask Request ICMP Address Mask Request CAPEC-295: Timestamp Request Timestamp Request CAPEC-296: ICMP Information Request ICMP Information Request CAPEC-297: TCP ACK Ping TCP ACK Ping CAPEC-298: UDP Ping UDP Ping CAPEC-299: TCP SYN Ping TCP SYN Ping CAPEC-300: Port Scanning Port Scanning CAPEC-301: TCP Connect Scan TCP Connect Scan CAPEC-302: TCP FIN Scan TCP FIN Scan CAPEC-303: TCP Xmas Scan TCP Xmas Scan CAPEC-304: TCP Null Scan TCP Null Scan CAPEC-305: TCP ACK Scan TCP ACK Scan CAPEC-306: TCP Window Scan TCP Window Scan CAPEC-307: TCP RPC Scan TCP RPC Scan CAPEC-308: UDP Scan UDP Scan CAPEC-309: Network Topology Mapping Network Topology Mapping CAPEC-310: Scanning for Vulnerable Software Scanning for Vulnerable Software CAPEC-312: Active OS Fingerprinting Active OS Fingerprinting CAPEC-313: Passive OS Fingerprinting Passive OS Fingerprinting CAPEC-317: IP ID Sequencing Probe IP ID Sequencing Probe CAPEC-318: IP 'ID' Echoed Byte-Order Probe IP 'ID' Echoed Byte-Order Probe CAPEC-319: IP (DF) 'Don't Fragment Bit' Echoing Probe IP (DF) 'Don't Fragment Bit' Echoing Probe CAPEC-320: TCP Timestamp Probe TCP Timestamp Probe CAPEC-321: TCP Sequence Number Probe TCP Sequence Number Probe CAPEC-322: TCP (ISN) Greatest Common Divisor Probe TCP (ISN) Greatest Common Divisor Probe CAPEC-323: TCP (ISN) Counter Rate Probe TCP (ISN) Counter Rate Probe CAPEC-324: TCP (ISN) Sequence Predictability Probe TCP (ISN) Sequence Predictability Probe CAPEC-325: TCP Congestion Control Flag (ECN) Probe TCP Congestion Control Flag (ECN) Probe CAPEC-326: TCP Initial Window Size Probe TCP Initial Window Size Probe CAPEC-327: TCP Options Probe TCP Options Probe CAPEC-328: TCP 'RST' Flag Checksum Probe TCP 'RST' Flag Checksum Probe CAPEC-329: ICMP Error Message Quoting Probe ICMP Error Message Quoting Probe CAPEC-330: ICMP Error Message Echoing Integrity Probe ICMP Error Message Echoing Integrity Probe CAPEC-472: Browser Fingerprinting Browser Fingerprinting CAPEC-497: File Discovery File Discovery CAPEC-508: Shoulder Surfing Shoulder Surfing CAPEC-573: Process Footprinting Process Footprinting CAPEC-574: Services Footprinting Services Footprinting CAPEC-575: Account Footprinting Account Footprinting CAPEC-576: Group Permission Footprinting Group Permission Footprinting CAPEC-577: Owner Footprinting Owner Footprinting CAPEC-616: Establish Rogue Location Establish Rogue Location CAPEC-643: Identify Shared Files/Directories on System Identify Shared Files/Directories on System CAPEC-646: Peripheral Footprinting Peripheral Footprinting CAPEC-651: Eavesdropping Eavesdropping
Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

62.95 }} -3.48%

score

0.97871

percentile

CVSS30 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
: