Missing Release of Resource after Effective Lifetime Affecting 389-ds-base-devel package, versions <0:1.3.8.4-25.1.amzn2.0.1


Severity

Recommended
0.0
medium
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
4.63% (93rd percentile)

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  • Snyk IDSNYK-AMZN2-389DSBASEDEVEL-1671901
  • published27 Sept 2021
  • disclosed17 Apr 2019

Introduced: 17 Apr 2019

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

How to fix?

Upgrade Amazon-Linux:2 389-ds-base-devel to version 0:1.3.8.4-25.1.amzn2.0.1 or higher.
This issue was patched in ALAS2-2019-1262.

NVD Description

Note: Versions mentioned in the description apply only to the upstream 389-ds-base-devel package and not the 389-ds-base-devel package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2 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