NULL pointer dereference in Samba - CVE-2018-1140
Published: August 14, 2018
Vulnerability identifier: #VU14337
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2018-1140
CWE-ID: CWE-476
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vendor: Samba
Affected software:
Samba
Samba
Detailed vulnerability description
The vulnerability allows a remote attacker to cause denial of service attack.
The vulnerability exists due to improper input validation when processing data from the LDB database layer. A remote attacker can trigger NULL pointer dereference error and cause the LDAP server and DNS server to crash.
How to mitigate CVE-2018-1140
Update to version 4.8.4.