CVE-2023-1664

A flaw was found in Keycloak. This flaw depends on a non-default configuration "Revalidate Client Certificate" to be enabled and the reverse proxy is not validating the certificate before Keycloak. Using this method an attacker may choose the certificate which will be validated by the server. If...

Denial Of Service (DoS)

libkrb5.so is vulnerable to denial of service DoS through buffer overflow attacks. The vulnerability exists in the getmatchingdata function of krb5 that includes certauth plugin, and subsequently allowing both the CA certificate and the user's certificate to have long subjects, causing a denial o...

Updated krb5 packages fix security vulnerabilities

An authentication bypass flaw was found in the way krb5's certauth interface handled the validation of client certificates. A remote attacker able to communicate with the KDC could potentially use this flaw to impersonate arbitrary principals under rare and erroneous circumstances CVE-2017-7562...