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CVE-2019-3858

Опубликовано: 13 мар. 2019
Источник: redhat
CVSS3: 5

Описание

An out of bounds read flaw was discovered in libssh2 before 1.8.1 when a specially crafted SFTP packet is received from the server. A remote attacker who compromises a SSH server may be able to cause a Denial of Service or read data in the client memory.

An out of bounds read flaw was discovered in libssh2 when a specially crafted SFTP packet is received from the server. A remote attacker who compromises a SSH server may be able to cause a denial of service or read data in the client memory.

Отчет

This flaw was present in libssh2 packages included in Red Hat Virtualization Hypervisor and Management Appliance, however libssh2 in these hosts is never exposed to malicious clients or servers. libssh2 is no longer included in the virt module since Red Hat Enterprise Linux 8.1.

Затронутые пакеты

ПлатформаПакетСостояниеРекомендацияРелиз
Red Hat Enterprise Linux 6libssh2Will not fix
Red Hat Enterprise Linux 8virt:rhel/libssh2Not affected
Red Hat Enterprise Linux 8 Advanced Virtualizationvirt:8.0.0/libssh2Will not fix
Red Hat Virtualization 4redhat-virtualization-hostWill not fix
Red Hat Virtualization 4rhvm-applianceWill not fix
Red Hat Ansible Tower 3.4 for RHEL 7ansible-tower-34/ansible-tower-memcachedFixedRHBA-2020:054718.02.2020
Red Hat Ansible Tower 3.4 for RHEL 7ansible-tower-35/ansible-tower-memcachedFixedRHBA-2020:054718.02.2020
Red Hat Ansible Tower 3.4 for RHEL 7ansible-tower-37/ansible-tower-memcached-rhel7FixedRHBA-2020:054718.02.2020
Red Hat Enterprise Linux 7libssh2FixedRHSA-2019:213606.08.2019

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Дополнительная информация

Статус:

Moderate
Дефект:
CWE-125
https://bugzilla.redhat.com/show_bug.cgi?id=1687306libssh2: Zero-byte allocation with a specially crafted SFTP packed leading to an out-of-bounds read

5 Medium

CVSS3

Связанные уязвимости

CVSS3: 5
ubuntu
почти 7 лет назад

An out of bounds read flaw was discovered in libssh2 before 1.8.1 when a specially crafted SFTP packet is received from the server. A remote attacker who compromises a SSH server may be able to cause a Denial of Service or read data in the client memory.

CVSS3: 5
nvd
почти 7 лет назад

An out of bounds read flaw was discovered in libssh2 before 1.8.1 when a specially crafted SFTP packet is received from the server. A remote attacker who compromises a SSH server may be able to cause a Denial of Service or read data in the client memory.

CVSS3: 5
debian
почти 7 лет назад

An out of bounds read flaw was discovered in libssh2 before 1.8.1 when ...

CVSS3: 9.1
github
больше 3 лет назад

An out of bounds read flaw was discovered in libssh2 before 1.8.1 when a specially crafted SFTP packet is received from the server. A remote attacker who compromises a SSH server may be able to cause a Denial of Service or read data in the client memory.

CVSS3: 9.1
fstec
около 7 лет назад

Уязвимость библиотеки libssh2, связанная с чтением данных за границами буфера, позволяющая нарушителю вызвать отказ в обслуживании или получить несанкционированный доступ к защищаемой информации

5 Medium

CVSS3