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CVE-2021-20237

Опубликовано: 28 мая 2021
Источник: nvd
CVSS3: 7.5
CVSS2: 4.3
EPSS Низкий

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.

Уязвимые конфигурации

Конфигурация 1
cpe:2.3:a:zeromq:libzmq:*:*:*:*:*:*:*:*
Версия от 4.2.0 (включая) до 4.3.3 (исключая)

EPSS

Процентиль: 78%
0.0115
Низкий

7.5 High

CVSS3

4.3 Medium

CVSS2

Дефекты

CWE-400
CWE-401

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: 5.9
redhat
больше 5 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

EPSS

Процентиль: 78%
0.0115
Низкий

7.5 High

CVSS3

4.3 Medium

CVSS2

Дефекты

CWE-400
CWE-401