CVE-2018-8011 - CVE House
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Status published High CVE-2018-8011

mod_md, DoS via Coredumps on specially crafted requests

Vulnerability Description

By specially crafting HTTP requests, the mod_md challenge handler would dereference a NULL pointer and cause the child process to segfault. This could be used to DoS the server. Fixed in Apache HTTP Server 2.4.34 (Affected 2.4.33).

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • The issue was discovered by Daniel Caminada <daniel.caminada@ergon.ch>.

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Affected Vendor

Apache Software Foundation

View all reports →

Affected Software

Apache HTTP Server
Vulnerable Versions:
Fixed in Apache HTTP Server 2.4.34 (Affected 2.4.33)

Timeline

Official Publish: July 18th, 2018
Last Modified: September 16th, 2024
Added to House: July 20th, 2026

CVSS Vectors

V3: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.