Rule Category

FILE-OTHER -- Snort detected traffic targeting vulnerabilities in a file type that does not require enough rule coverage to have its own category.

Alert Message

FILE-OTHER Microsoft Windows Address Book Contact file integer overflow attempt

Rule Explanation

Microsoft Windows versions 7 through 10 along with Server versions 2008 through 2019 are vulnerable to an integer overflow via a malicious Windows Address Book Contact File. An attacker can trigger this vulnerability by supplying the victim the malicious file and having them unknowingly open the file.

What To Look For

This rule alerts when an attempt is made by an attacker to trigger an integer overflow using a malicious Windows Address Book Contact File.

Known Usage

No public information

False Positives

No known false positives

Contributors

Cisco Talos Intelligence Group

MITRE ATT&CK Framework

Tactic: Execution

Technique: User Execution

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

Additional Links

Rule Vulnerability

Memory Corruption

Memory Corruption is any vulnerability that allows the modification of the content of memory locations in a way not intended by the developer. Memory corruption results are inconsistent; they could lead to fatal errors and system crashes or data leakage; some have no effect at all.

CVE Additional Information