Vulnerabilities > CVE-2020-17049 - Incorrect Authorization vulnerability in multiple products
Attack vector
UNKNOWN Attack complexity
UNKNOWN Privileges required
UNKNOWN Confidentiality impact
UNKNOWN Integrity impact
UNKNOWN Availability impact
UNKNOWN Summary
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.
Vulnerable Configurations
Common Weakness Enumeration (CWE)
Related news
References
- http://www.openwall.com/lists/oss-security/2021/11/10/3
- http://www.openwall.com/lists/oss-security/2021/11/10/3
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-17049
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-17049
- https://security.gentoo.org/glsa/202309-06
- https://security.gentoo.org/glsa/202309-06