Improper input validation in Samba
CVE-2018-1140
A missing input sanitization flaw was found in the implementation of LDP database used for the LDAP server. An attacker could use this flaw to cause a denial of service against a samba server, used as a Active Directory Domain Controller. All versions of Samba from 4.8.0 onwards are vulnerable
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.108 (95.7th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 95.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.108 · newest: 0.108 · change: 0.000
Affected products
- Samba
- The Samba Team — versions 4.8.0 and newer
Weakness classification (CWE)
References
- bugzilla.samba.org/show_bug.cgi (Patch, Third Party Advisory, Issue Tracking)
- www.samba.org/samba/security/CVE-2018-1140.html (Patch, Vendor Advisory)
- security.netapp.com/advisory/ntap-20180814-0001/ (Third Party Advisory)
- www.securityfocus.com/bid/105082 (VDB Entry, Third Party Advisory, vdb-entry)
- bugzilla.redhat.com/show_bug.cgi (Patch, Third Party Advisory, Issue Tracking)
- security.gentoo.org/glsa/202003-52 (vendor-advisory)
Frequently asked questions
- What is CVE-2018-1140?
- CVE-2018-1140 is a medium-severity vulnerability in Samba, classified under Improper Input Validation. CVSS score: 6.5/10. Published 2018-08-22.
- How severe is CVE-2018-1140?
- Medium severity. CVSS v3 base score is 6.5 out of 10.