NULL pointer dereference in Samba - CVE-2019-12436
Published: June 19, 2019
Vulnerability identifier: #VU18845
CSH Severity: Medium
CVSS v4.0: 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:Green
CVE-ID: CVE-2019-12436
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 perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error when processinf LDAP search queries. A remote authenticated user can send a specially crafted request to the affected AD DC LDAP server and perform a denial of service (DoS) attack.
How to mitigate CVE-2019-12436
Install updates from vendor's website.