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CVE-2021-23192

Опубликовано: 09 нояб. 2021
Источник: redhat
CVSS3: 4.8
EPSS Низкий

Описание

A flaw was found in the way samba implemented DCE/RPC. If a client to a Samba server sent a very large DCE/RPC request, and chose to fragment it, an attacker could replace later fragments with their own data, bypassing the signature requirements.

A flaw was found in the way samba implemented DCE/RPC. If a client to a Samba server sent a very large DCE/RPC request, and chose to fragment it, an attacker could replace later fragments with their own data, bypassing the signature requirements.

Меры по смягчению последствий

Setting

dcesrv:max auth states=0

in the smb.conf will provide some mitigation against this issue.

Затронутые пакеты

ПлатформаПакетСостояниеРекомендацияРелиз
Red Hat Enterprise Linux 6sambaNot affected
Red Hat Enterprise Linux 7sambaNot affected
Red Hat Enterprise Linux 9sambaNot affected
Red Hat Enterprise Linux 8sambaFixedRHSA-2021:508213.12.2021
Red Hat Enterprise Linux 8sambaFixedRHSA-2021:508213.12.2021
Red Hat Enterprise Linux 8.4 Extended Update SupportsambaFixedRHSA-2022:000804.01.2022
Red Hat Gluster Storage 3.5 for RHEL 8sambaFixedRHSA-2021:484329.11.2021

Показывать по

Дополнительная информация

Статус:

Moderate
https://bugzilla.redhat.com/show_bug.cgi?id=2019666samba: Subsequent DCE/RPC fragment injection vulnerability

EPSS

Процентиль: 17%
0.00054
Низкий

4.8 Medium

CVSS3

Связанные уязвимости

CVSS3: 7.5
ubuntu
почти 4 года назад

A flaw was found in the way samba implemented DCE/RPC. If a client to a Samba server sent a very large DCE/RPC request, and chose to fragment it, an attacker could replace later fragments with their own data, bypassing the signature requirements.

CVSS3: 7.5
nvd
почти 4 года назад

A flaw was found in the way samba implemented DCE/RPC. If a client to a Samba server sent a very large DCE/RPC request, and chose to fragment it, an attacker could replace later fragments with their own data, bypassing the signature requirements.

CVSS3: 7.5
msrc
больше 1 года назад

Описание отсутствует

CVSS3: 7.5
debian
почти 4 года назад

A flaw was found in the way samba implemented DCE/RPC. If a client to ...

CVSS3: 7.5
github
почти 4 года назад

A flaw was found in the way samba implemented DCE/RPC. If a client to a Samba server sent a very large DCE/RPC request, and chose to fragment it, an attacker could replace later fragments with their own data, bypassing the signature requirements.

EPSS

Процентиль: 17%
0.00054
Низкий

4.8 Medium

CVSS3