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CVE-2021-20237

Опубликовано: 07 сент. 2020
Источник: redhat
CVSS3: 5.9

Описание

An uncontrolled resource consumption (memory leak) flaw was found in ZeroMQ's src/xpub.cpp in versions before 4.3.3. This flaw allows a remote unauthenticated attacker to send crafted PUB messages that consume excessive memory if the CURVE/ZAP authentication is disabled on the server, causing a denial of service. The highest threat from this vulnerability is to system availability.

An uncontrolled resource consumption (memory leak) flaw was found in ZeroMQ's src/xpub.cpp. This flaw allows a remote unauthenticated attacker to send crafted PUB messages that consume excessive memory if the CURVE/ZAP authentication is disabled on the server, causing a denial of service. The highest threat from this vulnerability is to system availability.

Затронутые пакеты

ПлатформаПакетСостояниеРекомендацияРелиз
Red Hat Ceph Storage 2zeromq3Out of support scope

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Дополнительная информация

Статус:

Low
Дефект:
CWE-400
https://bugzilla.redhat.com/show_bug.cgi?id=1921989zeromq: Memory leaks via metadata messages processed by PUB sockets

5.9 Medium

CVSS3

Связанные уязвимости

CVSS3: 7.5
ubuntu
больше 4 лет назад

An uncontrolled resource consumption (memory leak) flaw was found in ZeroMQ's src/xpub.cpp in versions before 4.3.3. This flaw allows a remote unauthenticated attacker to send crafted PUB messages that consume excessive memory if the CURVE/ZAP authentication is disabled on the server, causing a denial of service. The highest threat from this vulnerability is to system availability.

CVSS3: 7.5
nvd
больше 4 лет назад

An uncontrolled resource consumption (memory leak) flaw was found in ZeroMQ's src/xpub.cpp in versions before 4.3.3. This flaw allows a remote unauthenticated attacker to send crafted PUB messages that consume excessive memory if the CURVE/ZAP authentication is disabled on the server, causing a denial of service. The highest threat from this vulnerability is to system availability.

CVSS3: 7.5
debian
больше 4 лет назад

An uncontrolled resource consumption (memory leak) flaw was found in Z ...

CVSS3: 7.5
github
больше 3 лет назад

An uncontrolled resource consumption (memory leak) flaw was found in ZeroMQ's src/xpub.cpp in versions before 4.3.3. This flaw allows a remote unauthenticated attacker to send crafted PUB messages that consume excessive memory if the CURVE/ZAP authentication is disabled on the server, causing a denial of service. The highest threat from this vulnerability is to system availability.

CVSS3: 7.5
fstec
больше 5 лет назад

Уязвимость компонента xpub.cpp библиотеки для обмена сообщениями ZeroMQ, связанная с неправильным освобождением памяти перед удалением последней ссылки, позволяющая нарушителю вызвать отказ в обслуживании

5.9 Medium

CVSS3