CVE-2019-3883

Public on 2019-08-07
Modified on 2020-01-15
Description
It was found that encrypted connections did not honor the 'ioblocktimeout' parameter to end blocking requests. As a result, an unauthenticated attacker could repeatedly start a sufficient number of encrypted connections to block all workers, resulting in a denial of service.
Severity
Medium
CVSS v3 Base Score
5.3
See breakdown

Affected Packages

Platform Package Release Date Advisory
Amazon Linux 2 389-ds-base 2019-08-07 23:51 ALAS2-2019-1262
Amazon Linux 1 389-ds-base 2020-01-14 18:03 ALAS-2020-1334
Amazon Linux 1 389-ds-base 2019-08-07 23:13 ALAS-2019-1261
Amazon Linux 1 389-ds-base 2020-01-14 18:03 ALAS-2020-1334
Amazon Linux 1 389-ds-base 2019-08-07 23:13 ALAS-2019-1261

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 5.3 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
NVD CVSSv2 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P
NVD CVSSv3 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H