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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.
Publish Date : 2019-04-17 Last Update Date : 2019-05-06
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- CVSS Scores & Vulnerability Types

CVSS Score
5.0
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Denial Of ServiceOverflow
CWE ID 119

- Related OVAL Definitions

Title Definition Id Class Family
RHSA-2019:1896: 389-ds-base security and bug fix update (Moderate) oval:com.redhat.rhsa:def:20191896 unix
RHSA-2019:3401: 389-ds:1.4 security, bug fix, and enhancement update (Important) oval:com.redhat.rhsa:def:20193401 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2019-3883

# Product Type Vendor Product Version Update Edition Language
1 Application Fedoraproject 389 Directory Server 1.4.1.2 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Fedoraproject 389 Directory Server 1

- References For CVE-2019-3883

https://lists.debian.org/debian-lts-announce/2019/05/msg00008.html
MLIST [debian-lts-announce] 20190506 [SECURITY] [DLA 1779-1] 389-ds-base security update
https://pagure.io/389-ds-base/pull-request/50331 CONFIRM
https://pagure.io/389-ds-base/issue/50329 CONFIRM
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3883 CONFIRM

- Metasploit Modules Related To CVE-2019-3883

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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