Intrusion Prevention

Exim.BDAT.Data.Header.Parsing.DoS

Description

This indicates an attack attempt to exploit a Denial of Service vulnerability in Exim.
The vulnerability is due to insufficient sanitizing of user supplied inputs in the application. A remote attacker may be able to exploit this to cause a denial of service condition on the affected system.

Affected Products

Exim 4.89 and earlier versions

Impact

Denial of Service: Remote attackers can crash vulnerable systems.

Recommended Actions

Apply patch available from the vendor.
https://git.exim.org/exim.git/commitdiff/178ecb70987f024f0e775d87c2f8b2cf587dd542

CVE References

CVE-2017-16944