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ISC BIND DoS Vulnerability (CVE-2018-5734) - Windows

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

1 year ago

Modified

Modified

1 year ago

Summary

ISC BIND is prone to a denial of service (DoS) vulnerability.

Insight

Insight

While handling a particular type of malformed packet, BIND erroneously selects a SERVFAIL rcode instead of a FORMERR rcode. If the receiving view has the SERVFAIL cache feature enabled, this can trigger an assertion failure in badcache.c when the request doesn't contain all of the expected information.

Affected Software

Affected Software

BIND 9.10.5-S1 through 9.10.5-S4, 9.10.6-S1 and 9.10.6-S2.

Detection Method

Detection Method

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

Solution

Solution

Update to version 9.10.6-S3 or later.

Common Vulnerabilities and Exposures (CVE)