NULL pointer dereference in Samba
CVE-2018-10918
A null pointer dereference flaw was found in the way samba checked database outputs from the LDB database layer. An authenticated attacker could use this flaw to crash a samba server in an Active Directory Domain Controller configuration. Samba versions before 4.7.9 and 4.8.4 are vulnerable.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.2 (Medium). Vector: CVSS:3.0/AV:A/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.025 (84.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 84th percentile — 84.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.025 · newest: 0.025 · change: 0.000
Affected products
- Samba
- The Samba Team — versions 4.7.9, 4.8.4
- Canonical Ubuntu Linux — versions 14.04, 16.04, 18.04
Weakness classification (CWE)
References
- www.samba.org/samba/security/CVE-2018-10918.html (Patch, Vendor Advisory)
- bugzilla.redhat.com/show_bug.cgi (Third Party Advisory, Issue Tracking)
- usn.ubuntu.com/3738-1/ (vendor-advisory, Third Party Advisory)
- security.netapp.com/advisory/ntap-20180814-0001/ (Third Party Advisory)
- www.securityfocus.com/bid/105083 (VDB Entry, Third Party Advisory, vdb-entry)
- security.gentoo.org/glsa/202003-52 (vendor-advisory)
Frequently asked questions
- What is CVE-2018-10918?
- CVE-2018-10918 is a medium-severity vulnerability in Samba, classified under NULL Pointer Dereference. CVSS score: 5.2/10. Published 2018-08-22.
- How severe is CVE-2018-10918?
- Medium severity. CVSS v3 base score is 5.2 out of 10.