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Vulnerability details: VCID-snp9-m1a1-aaar
Vulnerability ID VCID-snp9-m1a1-aaar
Aliases CVE-2019-3870
Summary 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.
Status Published
Exploitability 0.5
Weighted Severity 6.2
Risk 3.1
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-276 Incorrect Default Permissions
System Score Found at
cvssv3 6.1 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2019-3870.json
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epss 0.01311 https://api.first.org/data/v1/epss?cve=CVE-2019-3870
epss 0.01311 https://api.first.org/data/v1/epss?cve=CVE-2019-3870
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rhbs medium https://bugzilla.redhat.com/show_bug.cgi?id=1689010
cvssv2 3.6 https://nvd.nist.gov/vuln/detail/CVE-2019-3870
cvssv3 6.1 https://nvd.nist.gov/vuln/detail/CVE-2019-3870
cvssv3.1 6.1 https://nvd.nist.gov/vuln/detail/CVE-2019-3870
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2019-3870.json
https://api.first.org/data/v1/epss?cve=CVE-2019-3870
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3870
https://bugzilla.samba.org/show_bug.cgi?id=13834
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-3870
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://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6354GALK73CZWQKFUG7AWB6EIEGFMF62/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JTJVFA3RZ6G2IZDTVKLHRMX6QBYA4GPA/
https://support.f5.com/csp/article/K20804356
https://www.samba.org/samba/security/CVE-2019-3870.html
https://www.synology.com/security/advisory/Synology_SA_19_15
1689010 https://bugzilla.redhat.com/show_bug.cgi?id=1689010
cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*
cpe:2.3:a:synology:directory_server:-:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:synology:directory_server:-:*:*:*:*:*:*:*
cpe:2.3:a:synology:diskstation_manager:5.2:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:synology:diskstation_manager:5.2:*:*:*:*:*:*:*
cpe:2.3:a:synology:diskstation_manager:6.1:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:synology:diskstation_manager:6.1:*:*:*:*:*:*:*
cpe:2.3:a:synology:diskstation_manager:6.2:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:synology:diskstation_manager:6.2:*:*:*:*:*:*:*
cpe:2.3:a:synology:router_manager:1.2:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:synology:router_manager:1.2:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*
cpe:2.3:o:synology:diskstation_manager:5.2:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:synology:diskstation_manager:5.2:*:*:*:*:*:*:*
cpe:2.3:o:synology:diskstation_manager:6.1:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:synology:diskstation_manager:6.1:*:*:*:*:*:*:*
cpe:2.3:o:synology:diskstation_manager:6.2:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:synology:diskstation_manager:6.2:*:*:*:*:*:*:*
CVE-2019-3870 https://nvd.nist.gov/vuln/detail/CVE-2019-3870
No exploits are available.
Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2019-3870.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: AV:L/AC:L/Au:N/C:N/I:P/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2019-3870
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2019-3870
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2019-3870
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.57218
EPSS Score 0.00190
Published At Nov. 1, 2024, midnight
Date Actor Action Source VulnerableCode Version
There are no relevant records.