Vulnerability Monitor

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CVE-2018-11763

In Apache HTTP Server 2.4.17 to 2.4.34, by sending continuous, large SETTINGS frames a client can occupy a connection, server thread and CPU time without any connection timeout coming to effect. This affects only HTTP/2 connections. A possible mitigation is to not enable the h2 protocol.

Published

2018-09-25T21:29:00.283

Last Modified

2024-11-21T03:43:58.790

Status

Modified

Source

[email protected]

Severity

CVSSv3.0: 5.9 (MEDIUM)

CVSSv2 Vector

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

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

8.6

Impact Score

2.9

Weaknesses
  • Type: Primary
    NVD-CWE-noinfo
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application apache http_server ≤ 2.4.34 Yes
Operating System canonical ubuntu_linux 18.04 Yes
Operating System redhat enterprise_linux 6.0 Yes
Operating System redhat enterprise_linux 7.0 Yes
Operating System redhat enterprise_linux 7.4 Yes
Operating System redhat enterprise_linux 7.5 Yes
Operating System redhat enterprise_linux 7.6 Yes
Application oracle enterprise_manager_ops_center 12.3.3 Yes
Application oracle hospitality_guest_access 4.2.0 Yes
Application oracle hospitality_guest_access 4.2.1 Yes
Application oracle instantis_enterprisetrack 17.1 Yes
Application oracle instantis_enterprisetrack 17.2 Yes
Application oracle instantis_enterprisetrack 17.3 Yes
Application oracle retail_xstore_point_of_service 7.0 Yes
Application oracle retail_xstore_point_of_service 7.1 Yes
Application oracle secure_global_desktop 5.4 Yes
Application netapp storage_automation_store - Yes
References