CVE-2018-8011

Published: 18 July 2018

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).

Notes

Author	Note
mdeslaur	only affects 2.4.33

Priority

Cvss 3 Severity Score

7.5

Score breakdown

Status

Package	Release	Status
apache2 Launchpad, Ubuntu, Debian	artful	Not vulnerable (2.4.27-2ubuntu4.2)
	bionic	Not vulnerable (2.4.29-1ubuntu4.2)
	trusty	Not vulnerable (2.4.7-1ubuntu4.20)
	upstream	Released (2.4.34)
	xenial	Not vulnerable (2.4.18-2ubuntu3.9)

Severity score breakdown

Parameter	Value
Base score	7.5
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	None
Integrity impact	None
Availability impact	High
Vector	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

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