CVE-2020-8616

Public on 2020-05-19
Modified on 2020-06-03
Description
A flaw was found in BIND, where it does not sufficiently limit the number of fetches that can be performed while processing a referral response. This flaw allows an attacker to cause a denial of service attack. The attacker can also exploit this behavior to use the recursing server as a reflector in a reflection attack with a high amplification factor.
Severity
Important
CVSS v3 Base Score
8.6
See breakdown

Affected Packages

Platform Package Release Date Advisory
Amazon Linux 2 bind 2020-05-19 18:32 ALAS2-2020-1426
Amazon Linux 1 bind 2020-05-22 20:57 ALAS-2020-1369

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 8.6 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
NVD CVSSv2 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P
NVD CVSSv3 8.6 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H