SID 1:53376

Report a false positive

Rule Category

SERVER-OTHER -- Snort has detected traffic exploiting vulnerabilities in a server in the network.

Alert Message

SERVER-OTHER Exim unauthenticated remote code execution attempt

Rule Explanation

The rule alerts when TLS `client hello` packet contains `server_name` SNI extension with trailing backslash `\\x00`

What To Look For

The rule alerts when TLS `client hello` packet contains `server_name` SNI extension with trailing backslash `\\x00`

Known Usage

Public information/Proof of Concept available

False Positives

No known false positives

Contributors

Cisco Talos Intelligence Group

Rule Groups

No rule groups

CVE

CVE-2019-15846

Additional Links

exim.org/static/doc/security/CVE-2019-15846.txt

Rule Vulnerability

CVE Additional Information

This product uses data from the NVD API but is not endorsed or certified by the NVD.
CVE-2019-15846
 Loading description

MITRE ATT&CK Framework

Tactic: Initial Access

Technique: Drive-by Compromise

For reference, see the MITRE ATT&CK vulnerability types here: https://attack.mitre.org