Описание
A security feature bypass vulnerability exists in the way Key Distribution Center (KDC) determines if a service ticket can be used for delegation via Kerberos Constrained Delegation (KCD). To exploit the vulnerability, a compromised service that is configured to use KCD could tamper with a service ticket that is not valid for delegation to force the KDC to accept it. The update addresses this vulnerability by changing how the KDC validates service tickets used with KCD.
Ссылки
- Mailing ListThird Party Advisory
- PatchVendor Advisory
- Mailing ListThird Party Advisory
- PatchVendor Advisory
Уязвимые конфигурации
Одно из
Одно из
EPSS
6.6 Medium
CVSS3
7.2 High
CVSS3
9 Critical
CVSS2
Дефекты
Связанные уязвимости
A security feature bypass vulnerability exists in the way Key Distribution Center (KDC) determines if a service ticket can be used for delegation via Kerberos Constrained Delegation (KCD). To exploit the vulnerability, a compromised service that is configured to use KCD could tamper with a service ticket that is not valid for delegation to force the KDC to accept it. The update addresses this vulnerability by changing how the KDC validates service tickets used with KCD.
ELSA-2023-2570: krb5 security, bug fix, and enhancement update (MODERATE)
Уязвимость компонента Kerberos KDC операционных систем Windows, позволяющая нарушителю обойти существующие ограничения безопасности и получить несанкционированный доступ к приложению
EPSS
6.6 Medium
CVSS3
7.2 High
CVSS3
9 Critical
CVSS2