CVE-2019-3553 Information

Description

C++ Facebook Thrift servers would not error upon receiving messages declaring containers of sizes larger than the payload. As a result malicious clients could send short messages which would result in a large memory allocation potentially leading to denial of service. This issue affects Facebook Thrift prior to v2020.02.03.00.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Reference

https://github.com/facebook/fbthrift/commit/3f156207e8a6583d88999487e954320dc18955e6 https://github.com/facebook/fbthrift/commit/c9a903e5902834e95bbd4ab0e9fa53ba0189f351 https://www.facebook.com/security/advisories/cve-2019-3553

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