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Samba 4.0.0 <= 4.1.21 Denial of Service Vulnerability (CVE-2015-7540
Information
Severity
Severity
Medium
Family
Family
Denial of Service
CVSSv2 Base
CVSSv2 Base
5.0
CVSSv2 Vector
CVSSv2 Vector
AV:N/AC:L/Au:N/C:N/I:N/A:P
Solution Type
Solution Type
Vendor Patch
Created
Created
2 years ago
Modified
Modified
2 years ago
Summary
Malicious request can cause Samba LDAP server to return crash.
Insight
Insight
All versions of Samba from 4.0.0 to 4.1.21 inclusive are vulnerable to an anonymous memory exhaustion attack in the samba daemon LDAP server. A malicious client can send packets that cause the LDAP server provided by the AD DC in the samba daemon process to consume unlimited memory and be terminated.
Affected Software
Affected Software
Samba versions 4.0.0 through 4.1.21.
Detection Method
Detection Method
Checks if a vulnerable version is present on the target host.
Solution
Solution
Update to version 4.1.22 or later.