Vigil@nce - MIT krb5: assertion error via Old Encryption S4U2Self Request
February 2019 by Vigil@nce
This bulletin was written by Vigil@nce : https://vigilance.fr/offer/Computer-vulnerability-database-and-alert
SYNTHESIS OF THE VULNERABILITY
– Impacted products: Debian, Fedora, MIT krb5, openSUSE Leap,
Solaris, SUSE Linux Enterprise Desktop, SLES.
– Severity: 2/4.
– Consequences: denial of service on service, denial of service on
client.
– Provenance: intranet client.
– Confidence: confirmed by the editor (5/5).
– Creation date: 27/12/2018.
DESCRIPTION OF THE VULNERABILITY
An attacker can force an assertion error via Old Encryption
S4U2Self Request of MIT krb5, in order to trigger a denial of
service.
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