Debian Security Advisory
DLA-2771-1 krb5 -- LTS security update
- Date Reported:
- 30 Sep 2021
- Affected Packages:
- krb5
- Vulnerable:
- Yes
- Security database references:
- In the Debian bugtracking system: Bug 891869, Bug 917387, Bug 992607.
In Mitre's CVE dictionary: CVE-2018-5729, CVE-2018-5730, CVE-2018-20217, CVE-2021-37750. - More information:
-
Several vulnerabilities were fixed in MIT Kerberos, a system for authenticating users and services on a network.
- CVE-2018-5729
- CVE-2018-5730
Fix flaws in LDAP DN checking.
- CVE-2018-20217
Ignore password attributes for S4U2Self requests.
- CVE-2021-37750
Fix KDC null deref on TGS inner body null server.
For Debian 9 stretch, these problems have been fixed in version 1.15-1+deb9u3.
We recommend that you upgrade your krb5 packages.
For the detailed security status of krb5 please refer to its security tracker page at: https://security-tracker.debian.org/tracker/krb5
Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: https://wiki.debian.org/LTS