Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2019-3883

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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.004
EPSS Ranking 59.7%
CVSS Severity
CVSS v3 Score 5.3
CVSS v2 Score 5.0
Products affected by CVE-2019-3883


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