CVE-2019-3880 Information

Description

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.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L

Reference

http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00050.html http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00106.html https://access.redhat.com/errata/RHSA-2019:1966 https://access.redhat.com/errata/RHSA-2019:1967 https://access.redhat.com/errata/RHSA-2019:2099 https://access.redhat.com/errata/RHSA-2019:3582 https://access.redhat.com/security/cve/cve-2019-3880 https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3880 https://lists.debian.org/debian-lts-announce/2019/04/msg00013.html 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/HSRLRO7BPRFETVFZ4TVJL2VFZEPHKJY4/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JTJVFA3RZ6G2IZDTVKLHRMX6QBYA4GPA/ https://security.netapp.com/advisory/ntap-20190411-0004/ https://support.f5.com/csp/article/K20804356 https://www.samba.org/samba/security/CVE-2019-3880.html https://www.synology.com/security/advisory/Synology_SA_19_15

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

LOW

Base Score

LOW

Base Severity

5.4