Public Date:
1693612: CVE-2019-3883 389-ds-base: DoS via hanging secured connections
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.

Find out more about CVE-2019-3883 from the MITRE CVE dictionary dictionary and NIST NVD.

CVSS v3 metrics

CVSS3 Base Score 5.3
CVSS3 Base Metrics CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality None
Integrity Impact None
Availability Impact Low

Red Hat Security Errata

Platform Errata Release Date
Red Hat Enterprise Linux 7 (389-ds-base) RHSA-2019:1896 2019-07-29

Affected Packages State

Platform Package State
Red Hat Enterprise Linux 8 389-ds-base Affected
Red Hat Enterprise Linux 6 389-ds-base Will not fix
Unless explicitly stated as not affected, all previous versions of packages in any minor update stream of a product listed here should be assumed vulnerable, although may not have been subject to full analysis.
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