Missing Release of Resource after Effective Lifetime Affecting 389-ds-base package, versions <0:1.3.8.4-25.1.el7_6


Severity

Recommended
0.0
medium
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
4.63% (93rd percentile)

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  • Snyk IDSNYK-RHEL7-389DSBASE-1508534
  • published26 Jul 2021
  • disclosed12 Apr 2019

Introduced: 12 Apr 2019

CVE-2019-3883  (opens in a new tab)
CWE-772  (opens in a new tab)

How to fix?

Upgrade RHEL:7 389-ds-base to version 0:1.3.8.4-25.1.el7_6 or higher.
This issue was patched in RHSA-2019:1896.

NVD Description

Note: Versions mentioned in the description apply only to the upstream 389-ds-base package and not the 389-ds-base package as distributed by RHEL. See How to fix? for RHEL:7 relevant fixed versions and status.

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 Scores

version 3.1