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ISC BIND Multiple DoS Vulnerabilities - CVE-2020-8616, CVE-2020-8617 (Linux)

Information

Severity

Severity

High

Family

Family

Denial of Service

CVSSv2 Base

CVSSv2 Base

7.8

CVSSv2 Vector

CVSSv2 Vector

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

Solution Type

Solution Type

Vendor Patch

Created

Created

2 years ago

Modified

Modified

2 years ago

Summary

ISC BIND is prone to multiple denial of service vulnerabilities.

Insight

Insight

ISC BIND is prone to multiple denial of service vulnerabilities: - BIND does not sufficiently limit the number of fetches performed when processing referrals (CVE-2020-8616) - A logic error in code which checks TSIG validity can be used to trigger an assertion failure in tsig.c (CVE-2020-8617)

Affected Software

Affected Software

BIND 9.0.0 - 9.11.18, 9.12.0 - 9.12.4-P2, 9.14.0 - 9.14.11, 9.16.0 - 9.16.2, 9.17.0 -> 9.17.1 and 9.9.3-S1 - 9.11.18-S1. Also affects all releases in the obsolete 9.13 and 9.15 development branches.

Detection Method

Detection Method

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

Solution

Solution

Update to version 9.11.19, 9.14.12, 9.16.3, 9.11.19-S1 or later.

Common Vulnerabilities and Exposures (CVE)