Intrusion Prevention

Heimdal.KDC.ASN1.DER.Length.DoS

Description

This indicates an attack attempt to exploit a Denial of Service Vulnerability in Heimdal.
The vulnerability is due to an error in the vulnerable application when handling a maliciously crafted request. An attacker can exploit this to cause a denial of service condition on the affected machine via a crafted request.

Affected Products

Heimdal prior to 7.5.0

Impact

Denial of Service: Remote attackers can crash vulnerable systems.

Recommended Actions

Apply the most recent upgrade or patch from the vendor:
http://www.h5l.org/releases.html

CVE References

CVE-2017-17439