vulnerability
Red Hat: CVE-2016-3120: Low: krb5 security, bug fix, and enhancement update (RHSA-2016:2591)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 4 | (AV:N/AC:L/Au:S/C:N/I:N/A:P) | Jul 31, 2016 | Nov 4, 2016 | Jul 9, 2025 |
Severity
4
CVSS
(AV:N/AC:L/Au:S/C:N/I:N/A:P)
Published
Jul 31, 2016
Added
Nov 4, 2016
Modified
Jul 9, 2025
Description
The validate_as_request function in kdc_util.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) before 1.13.6 and 1.4.x before 1.14.3, when restrict_anonymous_to_tgt is enabled, uses an incorrect client data structure, which allows remote authenticated users to cause a denial of service (NULL pointer dereference and daemon crash) via an S4U2Self request.
Solutions
no-fix-redhat-rpm-packageredhat-upgrade-krb5-debuginforedhat-upgrade-krb5-develredhat-upgrade-krb5-libsredhat-upgrade-krb5-pkinitredhat-upgrade-krb5-serverredhat-upgrade-krb5-server-ldapredhat-upgrade-krb5-workstationredhat-upgrade-libkadm5
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