CVE-2019-3880
Vulnerability Summary
Timeline
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 Metrics
- v3.1•MEDIUM•Score: 5.4CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
- v3.0•MEDIUM•Score: 4.2CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:L
- v2.0•MEDIUM•Score: 5.5AV:N/AC:L/Au:S/C:N/I:P/A:P
EPSS Trends
Current EPSS score: 3.39%• Percentile: 88%
Techniques & Countermeasures
- 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.
Affected Systems
- debian•debian_linux
8.0
- fedoraproject•fedora
28 | 29 | 30
- opensuse•leap
42.3
- redhat•enterprise_linux
7.0
- redhat•gluster_storage
3.0
- samba•samba
≥ 3.2.0, < 4.8.11 | ≥ 4.9.0, < 4.9.6 | ≥ 4.10.0, < 4.10.2
- the samba project•samba
4.8.11 | 4.9.6 | 4.10.2
References (16)
- https://www.samba.org/samba/security/CVE-2019-3880.html
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3880
- https://lists.debian.org/debian-lts-announce/2019/04/msg00013.html
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00050.html
- https://security.netapp.com/advisory/ntap-20190411-0004/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JTJVFA3RZ6G2IZDTVKLHRMX6QBYA4GPA/
- https://www.synology.com/security/advisory/Synology_SA_19_15
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6354GALK73CZWQKFUG7AWB6EIEGFMF62/
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00106.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HSRLRO7BPRFETVFZ4TVJL2VFZEPHKJY4/
- https://support.f5.com/csp/article/K20804356
- 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