CVE-2019-3883
High
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.
SeverityHigh
CVSS7.5
Exploit probability—
Product
Fedoraproject 389 Directory Server
PublishedApr 17, 2019
First seenApr 17, 2019
Weakness typeCWE-772CWE-772
How to fix
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| fedoraproject 389_directory_server | v ≤ 1.4.1.2 | — |
| debian debian_linux | 8.0 | — |
| redhat enterprise_linux | 6.0 | — |
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