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CVE-2019-9705

Опубликовано: 08 мар. 2019
Источник: redhat
CVSS3: 5.5

Описание

Vixie Cron before the 3.0pl1-133 Debian package allows local users to cause a denial of service (memory consumption) via a large crontab file because an unlimited number of lines is accepted.

Отчет

Within regulated environments, a combination of the following controls acts as a significant barrier to successfully exploiting a CWE-400: Uncontrolled Resource Consumption vulnerability and therefore downgrades the severity of this particular CVE from Moderate to Low. Red Hat restricts access to all platform information by default, granting access only after successful hard token-based multi-factor authentication (MFA) and enforcing least privilege to ensure only authorized roles can execute or modify code. The environment employs malicious code protections, including IDS/IPS and antimalware tools to detect threats and monitor resource usage, helping prevent uncontrolled consumption that could lead to system failure. Additional safeguards, such as web application firewalls and load-balancing strategies, protect against resource exhaustion and performance degradation. Event logs are centrally collected, correlated, and analyzed to support monitoring, alerting, and retention, aiding in the detection of abnormal behavior and potential denial-of-service (DoS) conditions. Static code analysis and peer reviews enforce strong input validation and error handling, reducing the likelihood of input-based DoS attacks.

Затронутые пакеты

ПлатформаПакетСостояниеРекомендацияРелиз
Red Hat Enterprise Linux 5vixie-cronOut of support scope
Red Hat Enterprise Linux 6cronieOut of support scope
Red Hat Enterprise Linux 7cronieWill not fix
Red Hat Enterprise Linux 8cronieWill not fix

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Дополнительная информация

Статус:

Moderate
Дефект:
CWE-400
https://bugzilla.redhat.com/show_bug.cgi?id=1687694vixie-cron: memory consumption DoS via a large crontab file

5.5 Medium

CVSS3

Связанные уязвимости

CVSS3: 5.5
ubuntu
почти 7 лет назад

Vixie Cron before the 3.0pl1-133 Debian package allows local users to cause a denial of service (memory consumption) via a large crontab file because an unlimited number of lines is accepted.

CVSS3: 5.5
nvd
почти 7 лет назад

Vixie Cron before the 3.0pl1-133 Debian package allows local users to cause a denial of service (memory consumption) via a large crontab file because an unlimited number of lines is accepted.

CVSS3: 5.5
debian
почти 7 лет назад

Vixie Cron before the 3.0pl1-133 Debian package allows local users to ...

CVSS3: 5.5
github
больше 3 лет назад

Vixie Cron before the 3.0pl1-133 Debian package allows local users to cause a denial of service (memory consumption) via a large crontab file because an unlimited number of lines is accepted.

CVSS3: 5.5
fstec
почти 7 лет назад

Уязвимость демона-планировщика задач в UNIX-подобных операционных системах Cron, связанная с выделением неограниченной памяти, позволяющая нарушителю вызвать отказ в обслуживании

5.5 Medium

CVSS3