CVE-2019-3870
Samba File Permissions Weakness
Description
A vulnerability was found in Samba from version (including) 4.9 to versions before 4.9.6 and 4.10.2. During the creation of a new Samba AD DC, files are created in a private subdirectory of the install location. This directory is typically mode 0700, that is owner (root) only access. However in some upgraded installations it will have other permissions, such as 0755, because this was the default before Samba 4.8. Within this directory, files are created with mode 0666, which is world-writable, including a sample krb5.conf, and the list of DNS names and servicePrincipalName values to update.
INFO
Published Date :
April 9, 2019, 4:29 p.m.
Last Modified :
Nov. 7, 2023, 3:10 a.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
4.2
Exploitability Score :
1.8
Affected Products
The following products are affected by CVE-2019-3870
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.
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-2019-3870.
| URL | Resource |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3870 | Issue Tracking Third Party Advisory |
| https://bugzilla.samba.org/show_bug.cgi?id=13834 | Exploit Issue Tracking Patch Vendor Advisory |
| https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6354GALK73CZWQKFUG7AWB6EIEGFMF62/ | |
| https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JTJVFA3RZ6G2IZDTVKLHRMX6QBYA4GPA/ | |
| https://support.f5.com/csp/article/K20804356 | Third Party Advisory |
| https://www.samba.org/samba/security/CVE-2019-3870.html | Mitigation Patch Vendor Advisory |
| https://www.synology.com/security/advisory/Synology_SA_19_15 | 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).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2019-3870 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2019-3870 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]
Nov. 07, 2023
Action Type Old Value New Value Added Reference Red Hat, Inc. https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JTJVFA3RZ6G2IZDTVKLHRMX6QBYA4GPA/ [No types assigned] Added Reference Red Hat, Inc. https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6354GALK73CZWQKFUG7AWB6EIEGFMF62/ [No types assigned] Removed Reference Red Hat, Inc. https://lists.fedoraproject.org/archives/list/[email protected]/message/JTJVFA3RZ6G2IZDTVKLHRMX6QBYA4GPA/ Removed Reference Red Hat, Inc. https://lists.fedoraproject.org/archives/list/[email protected]/message/6354GALK73CZWQKFUG7AWB6EIEGFMF62/ -
Modified Analysis by [email protected]
Apr. 19, 2022
Action Type Old Value New Value -
CPE Deprecation Remap by [email protected]
Aug. 17, 2021
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:synology:active_directory_server:-:*:*:*:*:*:*:* OR *cpe:2.3:a:synology:directory_server:-:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Dec. 04, 2020
Action Type Old Value New Value Removed CWE Red Hat, Inc. CWE-125 Added CWE Red Hat, Inc. CWE-276 Removed CWE Reason CWE-125 / More specific CWE option available -
Modified Analysis by [email protected]
Oct. 16, 2020
Action Type Old Value New Value Removed CVSS V3 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H Changed Reference Type https://support.f5.com/csp/article/K20804356 No Types Assigned https://support.f5.com/csp/article/K20804356 Third Party Advisory Changed Reference Type https://www.synology.com/security/advisory/Synology_SA_19_15 No Types Assigned https://www.synology.com/security/advisory/Synology_SA_19_15 Third Party Advisory Removed CWE NIST CWE-275 Added CWE NIST CWE-276 Added CPE Configuration OR *cpe:2.3:a:synology:active_directory_server:-:*:*:*:*:*:*:* *cpe:2.3:a:synology:diskstation_manager:5.2:*:*:*:*:*:*:* *cpe:2.3:a:synology:diskstation_manager:6.1:*:*:*:*:*:*:* *cpe:2.3:a:synology:diskstation_manager:6.2:*:*:*:*:*:*:* *cpe:2.3:a:synology:router_manager:1.2:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:synology:skynas_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:synology:skynas:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:synology:vs960hd_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.3.6-1720 OR cpe:2.3:h:synology:vs960hd:-:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Oct. 09, 2019
Action Type Old Value New Value Added CVSS V3 Red Hat, Inc. AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H Added CWE Red Hat, Inc. CWE-125 -
CVE Modified by [email protected]
May. 27, 2019
Action Type Old Value New Value Added Reference https://support.f5.com/csp/article/K20804356 [No Types Assigned] -
CVE Modified by [email protected]
May. 15, 2019
Action Type Old Value New Value Added Reference https://www.synology.com/security/advisory/Synology_SA_19_15 [No Types Assigned] -
Modified Analysis by [email protected]
Apr. 16, 2019
Action Type Old Value New Value Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/6354GALK73CZWQKFUG7AWB6EIEGFMF62/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/6354GALK73CZWQKFUG7AWB6EIEGFMF62/ Mailing List, Third Party Advisory Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/JTJVFA3RZ6G2IZDTVKLHRMX6QBYA4GPA/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/JTJVFA3RZ6G2IZDTVKLHRMX6QBYA4GPA/ Mailing List, Third Party Advisory Added CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Apr. 16, 2019
Action Type Old Value New Value Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/6354GALK73CZWQKFUG7AWB6EIEGFMF62/ [No Types Assigned] -
CVE Modified by [email protected]
Apr. 15, 2019
Action Type Old Value New Value Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/JTJVFA3RZ6G2IZDTVKLHRMX6QBYA4GPA/ [No Types Assigned] -
Initial Analysis by [email protected]
Apr. 10, 2019
Action Type Old Value New Value Added CVSS V2 (AV:L/AC:L/Au:N/C:N/I:P/A:P) Added CVSS V3 AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H Changed Reference Type https://bugzilla.samba.org/show_bug.cgi?id=13834 No Types Assigned https://bugzilla.samba.org/show_bug.cgi?id=13834 Exploit, Issue Tracking, Patch, Vendor Advisory Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3870 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3870 Issue Tracking, Third Party Advisory Changed Reference Type https://www.samba.org/samba/security/CVE-2019-3870.html No Types Assigned https://www.samba.org/samba/security/CVE-2019-3870.html Mitigation, Patch, Vendor Advisory Added CWE CWE-275 Added CPE Configuration OR *cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:* versions from (including) 4.9.0 up to (excluding) 4.9.6 *cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:* versions from (including) 4.10.0 up to (excluding) 4.10.2
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2019-3870 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-2019-3870
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.19 }} 0.04%
score
0.55705
percentile