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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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CVE-2019-3883

Overview

Related Files

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August 2024

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