CVE-2018-10918
What it is
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.
At a glance
- Exploitability
- Can be exploited from the same network segment with a low-privilege account, but needs a user to act. High risk of service disruption.
- Exploit odds
- 2.5% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 2.5% in the next 30 days (EPSS).
- Severity: 5.2 MEDIUM (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 2.5% · EPSS, next 30 days
- Weakness
- CWE-476 · NULL pointer dereference
- Record status
- Modified
Affected
- Canonical Ubuntu Linux 14.04
- Canonical Ubuntu Linux 16.04
- Canonical Ubuntu Linux 18.04
- Samba < 4.7.9
- Samba < 4.8.4
Attack profile CVSS 3.0 · 5.2
- Attack vector
- Adjacent network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- Required
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Raw vector
CVSS:3.0/AV:A/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2018-10918.md and follow it. Check whether this project is affected by CVE-2018-10918. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- https://www.samba.org/samba/security/CVE-2018-10918.html
- https://www.samba.org/samba/security/CVE-2018-10918.html
References
- http://www.securityfocus.com/bid/105083
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10918
- https://security.gentoo.org/glsa/202003-52
- https://security.netapp.com/advisory/ntap-20180814-0001/
- https://usn.ubuntu.com/3738-1/
- https://www.samba.org/samba/security/CVE-2018-10918.html
- http://www.securityfocus.com/bid/105083
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10918
- https://security.gentoo.org/glsa/202003-52
- https://security.netapp.com/advisory/ntap-20180814-0001/
- https://usn.ubuntu.com/3738-1/
- https://www.samba.org/samba/security/CVE-2018-10918.html