SB2018071838 - Fedora 28 update for httpd



SB2018071838 - Fedora 28 update for httpd

Published: July 18, 2018 Updated: April 24, 2025

Security Bulletin ID SB2018071838
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 vulnerabilities.


1) Improper input validation (CVE-ID: CVE-2018-8011)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to perform denial of service (DoS) attack.

The vulnerability exists due to improper filtering of input data within "mod_md" apache module when processing requests. A remote attacker can send a specially crafted HTTP request to the affected web server and trigger denial of service condition via coredumps.



2) Improper input validation (CVE-ID: CVE-2018-1333)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to perform a denial of service attack.

The vulnerability exists due to insufficient filtering of incoming data within "mod_http2" apache module. A remote attacker can send a specially crafted HTTP request to the affected web server and trigger daemon crash.


Remediation

Install update from vendor's website.