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CVE-2019-3883

Status Candidate

Overview

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.

Related Files

Red Hat Security Advisory 2019-3401-01
Posted Nov 6, 2019
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2019-3401-01 - 389 Directory Server is an LDAP version 3 compliant server. The base packages include the Lightweight Directory Access Protocol server and command-line utilities for server administration. Issues addressed include bypass, denial of service, and information leakage vulnerabilities.

tags | advisory, denial of service, vulnerability, protocol
systems | linux, redhat
advisories | CVE-2018-10871, CVE-2019-10224, CVE-2019-14824, CVE-2019-3883
SHA-256 | 4de4b64c1aa771727407a333403b6efe90a51ec5aa432879bcdfb77bb4d470e3
Download | Favorite | View
Red Hat Security Advisory 2019-1896-01
Posted Jul 29, 2019
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2019-1896-01 - 389 Directory Server is an LDAP version 3 compliant server. The base packages include the Lightweight Directory Access Protocol server and command-line utilities for server administration. Issues addressed include a denial of service vulnerability.

tags | advisory, denial of service, protocol
systems | linux, redhat
advisories | CVE-2019-3883
SHA-256 | bb5ad1aa01b4589eb20ae556b1b2ac0e9ed71c64f242fa71239066f03fc2ffbf
Download | Favorite | View
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