CVE-2019-3883

HIGH

Fedoraproject 389 Directory Server < 1.4.1.2 - Resource Leak

Title source: rule

Description

In 389-ds-base up to version 1.4.1.2, requests are handled by workers threads. Each sockets will be waited by the worker for at most 'ioblocktimeout' seconds. However this timeout applies only for un-encrypted requests. Connections using SSL/TLS are not taking this timeout into account during reads, and may hang longer.An unauthenticated attacker could repeatedly create hanging LDAP requests to hang all the workers, resulting in a Denial of Service.

Scores

CVSS v3 7.5
EPSS 0.0036
EPSS Percentile 57.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Classification

CWE
CWE-772
Status published

Affected Products (3)

fedoraproject/389_directory_server < 1.4.1.2
debian/debian_linux
redhat/enterprise_linux

Timeline

Published Apr 17, 2019
Tracked Since Feb 18, 2026