CVE-2019-14847: Null Pointer Dereference
First published: Wed Nov 06 2019(Updated: )
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.
Credit: secalert@redhat.com secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Samba Samba | >=4.0.0<4.9.15 | |
| Samba Samba | >=4.10.0<4.10.10 | |
| Fedoraproject Fedora | =29 | |
| Fedoraproject Fedora | =30 | |
| openSUSE Leap | =15.0 |
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Reference Links
- http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00015.html
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14847
- https://lists.debian.org/debian-lts-announce/2021/05/msg00023.html
- https://lists.debian.org/debian-lts-announce/2023/09/msg00013.html
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OKPYHDFI7HRELVXBE5J4MTGSI35AKFBI/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XQ3IUACPZJXSC4OM6P2V4IC4QMZQZWPD/
- https://www.samba.org/samba/security/CVE-2019-14847.html
- https://www.synology.com/security/advisory/Synology_SA_19_35
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OKPYHDFI7HRELVXBE5J4MTGSI35AKFBI/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XQ3IUACPZJXSC4OM6P2V4IC4QMZQZWPD/
Frequently Asked Questions
What is CVE-2019-14847?
CVE-2019-14847 is a vulnerability found in Samba versions 4.0.0 to 4.9.15 and 4.10.0 to 4.10.10, which allows an attacker to crash AD DC LDAP server via dirsync, resulting in denial of service.
Is privilege escalation possible with CVE-2019-14847?
No, privilege escalation is not possible with CVE-2019-14847.
Which software versions are affected by CVE-2019-14847?
Samba versions 4.0.0 to 4.9.15 and 4.10.0 to 4.10.10 are affected by CVE-2019-14847.
What is the severity of CVE-2019-14847?
CVE-2019-14847 has a severity rating of 4.9 (medium).
How can I mitigate the impact of CVE-2019-14847?
To mitigate the impact of CVE-2019-14847, it is recommended to update to Samba version 4.9.15 or 4.10.10.
- collector/nvd-api
- collector/nvd-index
- agent/weakness
- agent/severity
- agent/references
- agent/author
- agent/type
- agent/event
- agent/description
- agent/last-modified-date
- agent/softwarecombine
- agent/first-publish-date
- agent/tags
- collector/mitre-cve
- source/MITRE
- vendor/samba
- canonical/samba samba
- version/samba samba/4.0.0
- version/samba samba/4.10.0
- vendor/fedoraproject
- canonical/fedoraproject fedora
- version/fedoraproject fedora/29
- version/fedoraproject fedora/30
- vendor/opensuse
- canonical/opensuse leap
- version/opensuse leap/15.0