Описание
The ssl3_get_key_exchange function in s3_clnt.c in OpenSSL before 0.9.8zd, 1.0.0 before 1.0.0p, and 1.0.1 before 1.0.1k allows remote SSL servers to conduct RSA-to-EXPORT_RSA downgrade attacks and facilitate brute-force decryption by offering a weak ephemeral RSA key in a noncompliant role, related to the "FREAK" issue. NOTE: the scope of this CVE is only client code based on OpenSSL, not EXPORT_RSA issues associated with servers or other TLS implementations.
It was discovered that OpenSSL would accept ephemeral RSA keys when using non-export RSA cipher suites. A malicious server could make a TLS/SSL client using OpenSSL use a weaker key exchange method.
Отчет
This issue affects versions of openssl as shipped with Red Hat Enterprise Linux 5, 6 and 7. Errata have been released to correct this issue. This issue affects the version of openssl098e as shipped with Red Hat Enterprise Linux 6 and 7. Red Hat Product Security has rated this issue as having Moderate security impact and does not plan to address this flaw for the openssl098e component in any future security updates. This issue affects the version of openssl097a as shipped with Red Hat Enterprise Linux 5. Red Hat Enterprise Linux 5 is now in Production 3 Phase of the support and maintenance life cycle. This issue is not currently planned to be addressed in future updates. For additional information, refer to the Red Hat Enterprise Linux Life Cycle: https://access.redhat.com/support/policy/updates/errata/.
Затронутые пакеты
| Платформа | Пакет | Состояние | Рекомендация | Релиз |
|---|---|---|---|---|
| Red Hat Enterprise Linux 5 | openssl097a | Will not fix | ||
| Red Hat Enterprise Linux 6 | openssl098e | Will not fix | ||
| Red Hat Enterprise Linux 7 | openssl098e | Will not fix | ||
| Red Hat JBoss Enterprise Application Platform 6 | openssl | Affected | ||
| Red Hat JBoss Enterprise Web Server 1 | openssl | Will not fix | ||
| Red Hat JBoss Enterprise Web Server 3 | openssl | Affected | ||
| Red Hat Storage 2.1 | openssl | Affected | ||
| Red Hat Enterprise Linux 5 | openssl | Fixed | RHSA-2015:0800 | 13.04.2015 |
| Red Hat Enterprise Linux 6 | openssl | Fixed | RHSA-2015:0066 | 21.01.2015 |
| Red Hat Enterprise Linux 7 | openssl | Fixed | RHSA-2015:0066 | 21.01.2015 |
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Дополнительная информация
Статус:
EPSS
5.3 Medium
CVSS3
4.3 Medium
CVSS2
Связанные уязвимости
The ssl3_get_key_exchange function in s3_clnt.c in OpenSSL before 0.9.8zd, 1.0.0 before 1.0.0p, and 1.0.1 before 1.0.1k allows remote SSL servers to conduct RSA-to-EXPORT_RSA downgrade attacks and facilitate brute-force decryption by offering a weak ephemeral RSA key in a noncompliant role, related to the "FREAK" issue. NOTE: the scope of this CVE is only client code based on OpenSSL, not EXPORT_RSA issues associated with servers or other TLS implementations.
The ssl3_get_key_exchange function in s3_clnt.c in OpenSSL before 0.9.8zd, 1.0.0 before 1.0.0p, and 1.0.1 before 1.0.1k allows remote SSL servers to conduct RSA-to-EXPORT_RSA downgrade attacks and facilitate brute-force decryption by offering a weak ephemeral RSA key in a noncompliant role, related to the "FREAK" issue. NOTE: the scope of this CVE is only client code based on OpenSSL, not EXPORT_RSA issues associated with servers or other TLS implementations.
The ssl3_get_key_exchange function in s3_clnt.c in OpenSSL before 0.9. ...
The ssl3_get_key_exchange function in s3_clnt.c in OpenSSL before 0.9.8zd, 1.0.0 before 1.0.0p, and 1.0.1 before 1.0.1k allows remote SSL servers to conduct RSA-to-EXPORT_RSA downgrade attacks and facilitate brute-force decryption by offering a weak ephemeral RSA key in a noncompliant role, related to the "FREAK" issue. NOTE: the scope of this CVE is only client code based on OpenSSL, not EXPORT_RSA issues associated with servers or other TLS implementations.
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EPSS
5.3 Medium
CVSS3
4.3 Medium
CVSS2