CVE-2018-8011

high

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).

References

https://httpd.apache.org/security/vulnerabilities_24.html#CVE-2018-8011

http://www.securitytracker.com/id/1041401

https://security.netapp.com/advisory/ntap-20180926-0007/

https://lists.apache.org/thread.html/[email protected]%3Ccvs.httpd.apache.org%3E

https://lists.apache.org/thread.html/r03ee478b3dda3e381fd6189366fa7[email protected]%3Ccvs.httpd.apache.org%3E

https://lists.apache.org/thread.html/[email protected]%3Ccvs.httpd.apache.org%3E

Details

Source: MITRE

Published: 2018-07-18

Updated: 2021-06-06

Type: CWE-476

Risk Information

CVSS v2

Base Score: 5

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

Impact Score: 2.9

Exploitability Score: 10

Severity: MEDIUM

CVSS v3

Base Score: 7.5

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

Impact Score: 3.6

Exploitability Score: 3.9

Severity: HIGH