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.
CVSS Details
- CVSS 3.1 Base Score: 7.5
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
- CVSS 3.0 Base Score: 5.3
- CVSS 3.0 Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon Linux Ami 2 | amazon-linux-ami-2-upgrade-389-ds-baseamazon-linux-ami-2-upgrade-389-ds-base-debuginfoamazon-linux-ami-2-upgrade-389-ds-base-develamazon-linux-ami-2-upgrade-389-ds-base-libsamazon-linux-ami-2-upgrade-389-ds-base-snmp | Apr 27, 2020 | Apr 17, 2019 | |
| Amazon_linux | — | amazon-linux-upgrade-389-ds-base | Aug 13, 2019 | Apr 17, 2019 |
| Centos_linux | — | centos-upgrade-389-ds-basecentos-upgrade-389-ds-base-debuginfocentos-upgrade-389-ds-base-debugsourcecentos-upgrade-389-ds-base-develcentos-upgrade-389-ds-base-legacy-toolscentos-upgrade-389-ds-base-legacy-tools-debuginfocentos-upgrade-389-ds-base-libscentos-upgrade-389-ds-base-libs-debuginfocentos-upgrade-389-ds-base-snmpcentos-upgrade-389-ds-base-snmp-debuginfocentos-upgrade-python3-lib389 | Aug 1, 2019 | Apr 17, 2019 |
| Debian | debian-upgrade-389-ds-base | May 7, 2019 | Apr 17, 2019 | |
| Huawei Euleros 2_0_sp2 | huawei-euleros-2_0_sp2-upgrade-389-ds-basehuawei-euleros-2_0_sp2-upgrade-389-ds-base-libs | Dec 4, 2019 | Apr 17, 2019 | |
| Huawei Euleros 2_0_sp3 | huawei-euleros-2_0_sp3-upgrade-389-ds-basehuawei-euleros-2_0_sp3-upgrade-389-ds-base-libs | May 30, 2019 | Apr 17, 2019 | |
| Huawei Euleros 2_0_sp5 | huawei-euleros-2_0_sp5-upgrade-389-ds-basehuawei-euleros-2_0_sp5-upgrade-389-ds-base-libs | May 30, 2019 | Apr 17, 2019 | |
| Oracle_linux | — | oracle-linux-upgrade-389-ds-baseoracle-linux-upgrade-389-ds-base-develoracle-linux-upgrade-389-ds-base-legacy-toolsoracle-linux-upgrade-389-ds-base-libsoracle-linux-upgrade-389-ds-base-snmporacle-linux-upgrade-python3-lib389 | Jul 21, 2020 | Apr 12, 2019 |
| Redhat_linux | redhat-upgrade-389-ds-baseredhat-upgrade-389-ds-base-debuginforedhat-upgrade-389-ds-base-debugsourceredhat-upgrade-389-ds-base-develredhat-upgrade-389-ds-base-legacy-toolsredhat-upgrade-389-ds-base-legacy-tools-debuginforedhat-upgrade-389-ds-base-libsredhat-upgrade-389-ds-base-libs-debuginforedhat-upgrade-389-ds-base-snmpredhat-upgrade-389-ds-base-snmp-debuginforedhat-upgrade-python3-lib389 | Jul 30, 2019 | Apr 17, 2019 | |
| Suse | — | suse-upgrade-389-dssuse-upgrade-389-ds-develsuse-upgrade-lib389suse-upgrade-libsvrcore0 | Feb 4, 2022 | Apr 17, 2019 |
| Ubuntu | no-fix-ubuntu-package | Jun 26, 2025 | Apr 17, 2019 |
Prioritise with Active Threat Intelligence
With curated Threat Intelligence, you can see which vulnerabilities truly put you at risk, prioritize what matters most, and act before attackers do.
Explore Intelligence Hub