Medium severity · published Aug 22, 2018
CVE-2018-10918
A null pointer dereference flaw was found in the way samba checked database outputs from the LDB database layer
6.5
CVSS
2.5%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.5% · higher than 85% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SA
Samba · Samba
4.7.0 before 4.7.9; 4.8.0 before 4.8.4 · source: NVD
UL
Ubuntu Linux · Canonical
14.04; 16.04; 18.04 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-10918
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-10918
Third Party Advisory
http://www.securityfocus.com/bid/105083
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10918
security.gentoo.org
https://security.gentoo.org/glsa/202003-52
Third Party Advisory
https://security.netapp.com/advisory/ntap-20180814-0001/
Third Party Advisory
https://usn.ubuntu.com/3738-1/
Patch
https://www.samba.org/samba/security/CVE-2018-10918.html
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