Path Traversal in Samba
CVE-2019-3880
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.
Vulnerability class: Path Traversal (Directory Traversal)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L.
EPSS exploit prediction
EPSS: 0.032 (87.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 88th percentile — 87.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.033 · newest: 0.032 · change: -0.001
Affected products
- Samba
- The Samba Project — versions 4.8.11, 4.9.6, 4.10.2
- Debian Linux — versions 8.0
- Fedoraproject Fedora — versions 28, 29, 30
- openSUSE Leap — versions 42.3
- Red Hat Enterprise Linux — versions 7.0
- Red Hat Gluster Storage — versions 3.0
Weakness classification (CWE)
References
- www.samba.org/samba/security/CVE-2019-3880.html (Patch, Mitigation, Vendor Advisory)
- bugzilla.redhat.com/show_bug.cgi (Third Party Advisory, Mitigation, Issue Tracking)
- lists.debian.org/debian-lts-announce/2019/04/msg00013.html (mailing-list, Third Party Advisory)
- lists.opensuse.org/opensuse-security-announce/2019-04/msg00050.html (vendor-advisory, Patch, Mailing List, Third Party Advisory)
- security.netapp.com/advisory/ntap-20190411-0004/ (Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- www.synology.com/security/advisory/Synology_SA_19_15 (Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.opensuse.org/opensuse-security-announce/2019-04/msg00106.html (vendor-advisory, Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
Frequently asked questions
- What is CVE-2019-3880?
- CVE-2019-3880 is a medium-severity vulnerability in Samba, classified under Path Traversal. CVSS score: 5.4/10. Published 2019-04-09.
- How severe is CVE-2019-3880?
- Medium severity. CVSS v3 base score is 5.4 out of 10.