CVE-2019-3883 | BDVDB-2026-115253 Detail
Red Hat389-ds-base
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.
Impact#
Per CVSS v3.0: confidentiality impact none, integrity impact none, availability impact low. Attack vector: network.
Weaknesses#
References#
- https://lists.debian.org/debian-lts-announce/2019/05/msg00008.html
- https://access.redhat.com/errata/RHSA-2019:1896
- https://access.redhat.com/errata/RHSA-2019:3401
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3883
- https://pagure.io/389-ds-base/issue/50329
- https://pagure.io/389-ds-base/pull-request/50331
- https://lists.debian.org/debian-lts-announce/2023/04/msg00026.html
Exploit#
No public exploit known
History#
- Version 1Record published in the CVE List.
- Version 2Most recent update recorded in the CVE List.