Описание
An issue was discovered in Squid 5.0.6 through 5.1.x before 5.2. When validating an origin server or peer certificate, Squid may incorrectly classify certain certificates as trusted. This problem allows a remote server to obtain security trust well improperly. This indication of trust may be passed along to clients, allowing access to unsafe or hijacked services.
The squid proxy package may incorrectly classify certain certificates as trusted. This can allow traffic to obtain security trust when the trust is not valid. The highest threat from this vulnerability is to confidentiality and integrity.
Меры по смягчению последствий
The only mitigation is complete denial to TLS and HTTPS servers publishing affected certificate chains. The set of affected servers varies over time. acl vulnerableDomains dstdomain .example.net http_access deny vulnerableDomains
Затронутые пакеты
| Платформа | Пакет | Состояние | Рекомендация | Релиз |
|---|---|---|---|---|
| Red Hat Enterprise Linux 6 | squid | Not affected | ||
| Red Hat Enterprise Linux 7 | squid | Not affected | ||
| Red Hat Enterprise Linux 8 | squid:4/squid | Not affected | ||
| Red Hat Enterprise Linux 9 | squid | Not affected |
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Дополнительная информация
Статус:
8.1 High
CVSS3
Связанные уязвимости
An issue was discovered in Squid 5.0.6 through 5.1.x before 5.2. When validating an origin server or peer certificate, Squid may incorrectly classify certain certificates as trusted. This problem allows a remote server to obtain security trust well improperly. This indication of trust may be passed along to clients, allowing access to unsafe or hijacked services.
An issue was discovered in Squid 5.0.6 through 5.1.x before 5.2. When validating an origin server or peer certificate, Squid may incorrectly classify certain certificates as trusted. This problem allows a remote server to obtain security trust well improperly. This indication of trust may be passed along to clients, allowing access to unsafe or hijacked services.
An issue was discovered in Squid 5.0.6 through 5.1.x before 5.2. When ...
Уязвимость кэширующего прокси-сервера Squid, связанная с ошибками подтверждения подлинности сертификата, позволяющая нарушителю выполнить атаку типа «человек посередине».
8.1 High
CVSS3