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 | — | Upgrade 389-ds-base-debuginfoUpgrade 389-ds-base-snmpUpgrade 389-ds-base-libsUpgrade 389-ds-baseUpgrade 389-ds-base-devel | Apr 27, 2020 | Apr 17, 2019 |
| Amazon_linux | — | Upgrade 389-ds-base | Aug 13, 2019 | Apr 17, 2019 |
| Centos_linux | — | Upgrade 389-ds-base-snmpUpgrade 389-ds-base-legacy-tools-debuginfoUpgrade 389-ds-base-libsUpgrade python3-lib389Upgrade 389-ds-base-snmp-debuginfoUpgrade 389-ds-base-legacy-toolsUpgrade 389-ds-base-develUpgrade 389-ds-base-debuginfoUpgrade 389-ds-base-libs-debuginfoUpgrade 389-ds-baseUpgrade 389-ds-base-debugsource | Aug 1, 2019 | Apr 17, 2019 |
| Debian | — | Upgrade 389-ds-base | May 7, 2019 | Apr 17, 2019 |
| Huawei Euleros 2_0_sp2 | — | Upgrade 389-ds-base-libsUpgrade 389-ds-base | Dec 4, 2019 | Apr 17, 2019 |
| Huawei Euleros 2_0_sp3 | — | Upgrade 389-ds-base-libsUpgrade 389-ds-base | May 30, 2019 | Apr 17, 2019 |
| Huawei Euleros 2_0_sp5 | — | Upgrade 389-ds-base-libsUpgrade 389-ds-base | May 30, 2019 | Apr 17, 2019 |
| Oracle_linux | — | Upgrade 389-ds-base-snmpUpgrade 389-ds-base-legacy-toolsUpgrade python3-lib389Upgrade 389-ds-base-develUpgrade 389-ds-base-libsUpgrade 389-ds-base | Jul 21, 2020 | Apr 12, 2019 |
| Redhat_linux | — | Upgrade 389-ds-base-libs-debuginfoUpgrade 389-ds-base-debugsourceUpgrade 389-ds-base-debuginfoUpgrade 389-ds-base-legacy-toolsUpgrade 389-ds-base-develUpgrade 389-ds-baseUpgrade 389-ds-base-snmpUpgrade 389-ds-base-snmp-debuginfoNo solution existsUpgrade 389-ds-base-legacy-tools-debuginfoUpgrade python3-lib389Upgrade 389-ds-base-libs | Jul 30, 2019 | Apr 17, 2019 |
| Suse | — | Upgrade 389-ds-develUpgrade libsvrcore0Upgrade 389-dsUpgrade lib389 | Feb 4, 2022 | Apr 17, 2019 |
| Ubuntu | — | No solution exists | Jun 26, 2025 | Apr 17, 2019 |
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