CVE-2019-3880 : A flaw was found in the way samba implemented an RPC endpoint emulating the Wind

A flaw was found in the way samba implemented an RPC endpoint emulating the Windows registry service API. An unprivileged attacker could use this flaw to create a new registry hive file anywhere they have unix permissions which could lead to creation of a new file in the Samba share. Versions before 4.8.11, 4.9.6 and 4.10.2 are vulnerable.

Published 2019-04-09 16:29:02

Updated 2022-08-29 20:02:09

Source Red Hat, Inc.

View at NVD, CVE.org

Vulnerability category: Directory traversal

Products affected by CVE-2019-3880

Debian » Debian Linux » Version: 8.0
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
Matching versions
Redhat » Enterprise Linux » Version: 7.0
cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
Matching versions
Redhat » Gluster Storage » Version: 3.0
cpe:2.3:a:redhat:gluster_storage:3.0:*:*:*:*:*:*:*
Matching versions
Samba » Samba
Versions from including (>=) 4.10.0 and before (<) 4.10.2
cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*
Matching versions
Samba » Samba
Versions from including (>=) 3.2.0 and before (<) 4.8.11
cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*
Matching versions
Samba » Samba
Versions from including (>=) 4.9.0 and before (<) 4.9.6
cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*
Matching versions
Fedoraproject » Fedora » Version: 28
cpe:2.3:o:fedoraproject:fedora:28:*:*:*:*:*:*:*
Matching versions
Fedoraproject » Fedora » Version: 29
cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:*
Matching versions
Fedoraproject » Fedora » Version: 30
cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*
Matching versions
Opensuse » Leap » Version: 42.3
cpe:2.3:o:opensuse:leap:42.3:*:*:*:*:*:*:*
Matching versions

Threat overview for CVE-2019-3880

Top countries where our scanners detected CVE-2019-3880

Top open port discovered on systems with this issue 80

IPs affected by CVE-2019-3880 815,687

Threat actors abusing to this issue? Yes

Find out if you^* are affected by CVE-2019-3880!

^*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2019-3880

EPSS FAQ

0.18%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 56 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2019-3880

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
5.5	MEDIUM	AV:N/AC:L/Au:S/C:N/I:P/A:P	8.0	4.9	NIST
Access Vector: Network Access Complexity: Low Authentication: Single Confidentiality Impact: None Integrity Impact: Partial Availability Impact: Partial
4.2	MEDIUM	CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:L	1.6	2.5	Red Hat, Inc.
Attack Vector: Network Attack Complexity: High Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: None Integrity: Low Availability: Low
5.4	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L	2.8	2.5	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: None Integrity: Low Availability: Low

CWE ids for CVE-2019-3880

CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.
Assigned by:
- nvd@nist.gov (Primary)
- secalert@redhat.com (Secondary)

References for CVE-2019-3880

https://access.redhat.com/errata/RHSA-2019:1967

RHSA-2019:1967 - Security Advisory - Red Hat Customer Portal
Third Party Advisory
https://www.synology.com/security/advisory/Synology_SA_19_15

Synology Inc.
Third Party Advisory

CVEs referencing this url
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JTJVFA3RZ6G2IZDTVKLHRMX6QBYA4GPA/

[SECURITY] Fedora 30 Update: samba-4.10.2-0.fc30 - package-announce - Fedora Mailing-Lists
Mailing List;Third Party Advisory

CVEs referencing this url
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00106.html

[security-announce] openSUSE-SU-2019:1292-1: moderate: Security update f
Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:1966

RHSA-2019:1966 - Security Advisory - Red Hat Customer Portal
Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6354GALK73CZWQKFUG7AWB6EIEGFMF62/

[SECURITY] Fedora 29 Update: samba-4.9.6-0.fc29 - package-announce - Fedora Mailing-Lists
Mailing List;Third Party Advisory

CVEs referencing this url
https://access.redhat.com/security/cve/cve-2019-3880

CVE-2019-3880 - Red Hat Customer Portal
Mitigation;Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:2099

RHSA-2019:2099 - Security Advisory - Red Hat Customer Portal
Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3880

1691518 – (CVE-2019-3880) CVE-2019-3880 samba: save registry file outside share as unprivileged user
Mitigation;Issue Tracking;Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00050.html

[security-announce] openSUSE-SU-2019:1180-1: important: Security update
Mailing List;Patch;Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:3582

RHSA-2019:3582 - Security Advisory - Red Hat Customer Portal
Third Party Advisory
https://security.netapp.com/advisory/ntap-20190411-0004/

CVE-2019-3880 Samba Vulnerability in NetApp Products | NetApp Product Security
Third Party Advisory
https://support.f5.com/csp/article/K20804356

Third Party Advisory

CVEs referencing this url
https://www.samba.org/samba/security/CVE-2019-3880.html

Samba - Security Announcement Archive
Mitigation;Patch;Vendor Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HSRLRO7BPRFETVFZ4TVJL2VFZEPHKJY4/

[SECURITY] Fedora 28 Update: samba-4.8.11-0.fc28 - package-announce - Fedora Mailing-Lists
Mailing List;Release Notes;Third Party Advisory
https://lists.debian.org/debian-lts-announce/2019/04/msg00013.html

[SECURITY] [DLA 1754-1] samba security update
Third Party Advisory

CVEs referencing this url