CVE-2018-20217

Priority
Description
A Reachable Assertion issue was discovered in the KDC in MIT Kerberos 5
(aka krb5) before 1.17. If an attacker can obtain a krbtgt ticket using an
older encryption type (single-DES, triple-DES, or RC4), the attacker can
crash the KDC by making an S4U2Self request.
Package
Source: krb5 (LP Ubuntu Debian)
Upstream:released (1.17)
Ubuntu 12.04 ESM (Precise Pangolin):needs-triage
Ubuntu 14.04 ESM (Trusty Tahr):needed
Ubuntu 16.04 LTS (Xenial Xerus):needed
Ubuntu 18.04 LTS (Bionic Beaver):needed
Ubuntu 19.04 (Disco Dingo):needed
Ubuntu 19.10 (Eoan):needed
Patches:
Upstream:https://github.com/krb5/krb5/commit/5e6d1796106df8ba6bc1973ee0917c170d929086
Binaries built from this source package are in universe and so are supported by the community. For more details see https://wiki.ubuntu.com/SecurityTeam/FAQ#Official_Support
More Information

Updated: 2019-09-19 14:47:03 UTC (commit d32ebc32606b9517c6fa7d65a15441e2a57a6de5)