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Debian LTS: Security Advisory for krb5 (DLA-2771-1)
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
The remote host is missing an update for the 'krb5' package(s) announced via the DLA-2771-1 advisory.
Insight
Insight
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.
Affected Software
Affected Software
'krb5' package(s) on Debian Linux.
Detection Method
Detection Method
Checks if a vulnerable package version is present on the target host.
Solution
Solution
For Debian 9 stretch, these problems have been fixed in version 1.15-1+deb9u3. We recommend that you upgrade your krb5 packages.