#VU14334 NULL pointer dereference in Samba - CVE-2018-10918
Published: August 14, 2018
Vulnerability identifier: #VU14334
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2018-10918
CWE-ID: CWE-476
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vulnerable software:
Samba
Samba
Software vendor:
Samba
Samba
Description
The vulnerability allows a remote attacker to cause denial of service attack.
The vulnerability exists due to a NULL pointer deference error when processing directory attributes from the LDB database layer within the DsCrackNames() function in DRSUAPI RPC server. A remote authenticated attacker can send a specially crafted request to the vulnerable samba server, trigger NULL pointer dereference error and crash the affected server.
Successful exploitation of the vulnerability requires that the Samba is configured as an Active Directory Domain Controller.
Remediation
Update to version 4.7.9 or 4.8.4.