vulnerability
Debian: CVE-2018-20217: krb5 -- security update
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 4 | (AV:N/AC:M/Au:S/C:N/I:N/A:P) | Dec 26, 2018 | Feb 20, 2019 | Mar 30, 2026 |
Severity
4
CVSS
(AV:N/AC:M/Au:S/C:N/I:N/A:P)
Published
Dec 26, 2018
Added
Feb 20, 2019
Modified
Mar 30, 2026
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.
Solution
debian-upgrade-krb5
Rapid7 Labs
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