Rule Category

FILE-MULTIMEDIA -- Snort detected traffic targeting vulnerabilities in multimedia files (mp3, movies, wmv, etc.).

Alert Message

FILE-MULTIMEDIA libvorbis VORBIS audio data out of bounds write attempt

Rule Explanation

This event is generated when an attacker attempts to exploit an out of bounds write vulnerability in Vorbis audio data. Impact: Allows unauthorized disclosure of information Details: Ease of Attack: Low

What To Look For

Known Usage

No public information

False Positives

No known false positives

Contributors

Cisco Talos Intelligence Group

MITRE ATT&CK Framework

Tactic:

Technique:

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

CVE

CVE Additional Information

CVE-2018-5146
An out of bounds memory write while processing Vorbis audio data was reported through the Pwn2Own contest. This vulnerability affects Firefox < 59.0.1, Firefox ESR < 52.7.2, and Thunderbird < 52.7.
Details
Severity Base Score8.8
Impact Score5.9 Exploit Score2.8
Confidentiality ImpactHIGH Integrity ImpactHIGH
Availability ImpactHIGH Access Vector
Authentication Ease of Access