SB2019031825 - Fedora 30 update for cronie 

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Main Vulnerability Database SB2019031825

SB2019031825 - Fedora 30 update for cronie

Published: March 18, 2019 Updated: April 24, 2025

Security Bulletin ID SB2019031825
Severity
Low
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Local access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Unchecked Return Value (CVE-ID: CVE-2019-9704)

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to the calloc return value is not checked. A local user can create a large crontab file and crash the daemon.


2) Allocation of Resources Without Limits or Throttling (CVE-ID: CVE-2019-9705)

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to Vixie Cron implementation allows unlimited number of lines to be inserted into the crontab file. A local user can create a very large crontab file and consume all available memory on the system.


Remediation

Install update from vendor's website.

References