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Samba DoS Vulnerability (CVE-2019-12435)

Information

Severity

Severity

Medium

Family

Family

Denial of Service

CVSSv2 Base

CVSSv2 Base

4.0

CVSSv2 Vector

CVSSv2 Vector

AV:N/AC:L/Au:S/C:N/I:N/A:P

Solution Type

Solution Type

Vendor Patch

Created

Created

3 years ago

Modified

Modified

3 years ago

Summary

Samba is prone to a denial of service vulnerability.

Insight

Insight

The (poorly named) dnsserver RPC pipe provides administrative facilities to modify DNS records and zones. An authenticated user can crash the RPC server process via a NULL pointer de-reference.

Affected Software

Affected Software

Samba versions 4.9.x and 4.10.x.

Detection Method

Detection Method

Checks if a vulnerable version is present on the target host.

Solution

Solution

Update to version 4.9.9, 4.10.5 or later.

Common Vulnerabilities and Exposures (CVE)