NULL pointer dereference in Samba
CVE-2019-14847
A flaw was found in samba 4.0.0 before samba 4.9.15 and samba 4.10.x before 4.10.10. An attacker can crash AD DC LDAP server via dirsync resulting in denial of service. Privilege escalation is not possible with this issue.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.9 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.021 (81.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 81st percentile — 81.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.024 · newest: 0.021 · change: -0.002
Affected products
- Samba — versions samba 4.0.0 before samba 4.9.15, samba 4.10.x before 4.10.10
- Fedoraproject Fedora — versions 29, 30
- openSUSE Leap — versions 15.0
Weakness classification (CWE)
References
- bugzilla.redhat.com/show_bug.cgi (Exploit, Issue Tracking)
- www.samba.org/samba/security/CVE-2019-14847.html (Vendor Advisory)
- www.synology.com/security/advisory/Synology_SA_19_35
- lists.opensuse.org/opensuse-security-announce/2019-11/msg00015.html (vendor-advisory, Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.debian.org/debian-lts-announce/2021/05/msg00023.html (mailing-list)
- lists.debian.org/debian-lts-announce/2023/09/msg00013.html (mailing-list)
Frequently asked questions
- What is CVE-2019-14847?
- CVE-2019-14847 is a medium-severity vulnerability in Samba, classified under NULL Pointer Dereference. CVSS score: 4.9/10. Published 2019-11-06.
- How severe is CVE-2019-14847?
- Medium severity. CVSS v3 base score is 4.9 out of 10.