Vulnerability Monitor

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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.

Published

2019-04-17T14:29:03.620

Last Modified

2024-11-21T04:42:47.530

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.5 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: NONE
  • Integrity Impact: NONE
  • Availability Impact: PARTIAL
Exploitability Score

10.0

Impact Score

2.9

Weaknesses
  • Type: Secondary
    CWE-772
  • Type: Primary
    CWE-772
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application fedoraproject 389_directory_server ≤ 1.4.1.2 Yes
Operating System debian debian_linux 8.0 Yes
Operating System redhat enterprise_linux 6.0 Yes
References