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CVE-2018-20217
Published: Dec 26, 2018
Modified: Aug 5, 2024
PUBLISHED
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.
| Vendor | Product | Versions |
|---|---|---|
n/a | n/a | affected n/a |
References
FEDORA-2018-7db7ccda4d
vendor-advisory
x_refsource_FEDORA
http://krbdev.mit.edu/rt/Ticket/Display.html?id=8763
x_refsource_CONFIRM
https://github.com/krb5/krb5/commit/5e6d1796106df8ba6bc1973ee0917c170d929086
x_refsource_CONFIRM
[debian-lts-announce] 20190125 [SECURITY] [DLA 1643-1] krb5 security update
mailing-list
x_refsource_MLIST
https://security.netapp.com/advisory/ntap-20190416-0006/
x_refsource_CONFIRM
[debian-lts-announce] 20210930 [SECURITY] [DLA 2771-1] krb5 security update
mailing-list
x_refsource_MLIST
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