CVE-2019-11924 Information

Description

A peer could send empty handshake fragments containing only padding which would be kept in memory until a full handshake was received resulting in memory exhaustion. This issue affects versions v2019.01.28.00 and above of fizz until v2019.08.05.00.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Reference

https://github.com/facebookincubator/fizz/commit/3eaddb33619eaaf74a760872850c550ad8f5c52f https://github.com/facebookincubator/fizz/commit/6bf67137ef1ee5cd70c842b014c322b7deaf994b https://www.facebook.com/security/advisories/cve-2019-11924

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5