Oracle Linux: CVE-2023-39975: ELSA-2023-6699: krb5 security and bug fix update (MODERATE) (Multiple Advisories)
Description
kdc/do_tgs_req.c in MIT Kerberos 5 (aka krb5) 1.21 before 1.21.2 has a double free that is reachable if an authenticated user can trigger an authorization-data handling failure. Incorrect data is copied from one ticket to another. A vulnerability was found in MIT krb5, where an authenticated attacker can cause a KDC to free the same pointer twice if it can induce a failure in authorization data handling.
Solution(s)
- oracle-linux-upgrade-krb5-devel
- oracle-linux-upgrade-krb5-libs
- oracle-linux-upgrade-krb5-pkinit
- oracle-linux-upgrade-krb5-server
- oracle-linux-upgrade-krb5-server-ldap
- oracle-linux-upgrade-krb5-workstation
- oracle-linux-upgrade-libkadm5
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