What is CVE-2019-3552?

CVE-2019-3552 is a vulnerability in C++ Facebook Thrift servers (using cpp2) that allows malicious clients to send short messages, causing denial of service.

What is the severity of CVE-2019-3552?

The severity of CVE-2019-3552 is high (7.5).

Which software is affected by CVE-2019-3552?

Facebook Thrift version up to and excluding 2019.02.18.00 is affected by CVE-2019-3552.

How can a malicious client exploit CVE-2019-3552?

A malicious client can exploit CVE-2019-3552 by sending messages with containers of fields of unknown type, causing the server to take a long time to parse the message and potentially leading to denial of service.

Is there a fix for CVE-2019-3552?

Yes, the issue has been addressed in a commit by Facebook. It is recommended to update to a version that includes the fix.

Vulnerability/
CVE-2019-3552

high

7.5

CWE

755 834

6/5/2019

4/8/2024

CVE-2019-3552

First published: Mon May 06 2019(Updated: )

C++ Facebook Thrift servers (using cpp2) would not error upon receiving messages with containers of fields of unknown type. As a result, malicious clients could send short messages which would take a long time for the server to parse, potentially leading to denial of service. This issue affects Facebook Thrift prior to v2019.02.18.00.

Credit: cve-assign@fb.com

Affected Software	Affected Version	How to fix
Facebook Thrift	<2019.02.18.00

Remedy

https://github.com/facebook/fbthrift/commit/c5d6e07588cd03061bc54d451a7fa6e84883d62b

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Reference Links

Frequently Asked Questions

What is CVE-2019-3552?
CVE-2019-3552 is a vulnerability in C++ Facebook Thrift servers (using cpp2) that allows malicious clients to send short messages, causing denial of service.
What is the severity of CVE-2019-3552?
The severity of CVE-2019-3552 is high (7.5).
Which software is affected by CVE-2019-3552?
Facebook Thrift version up to and excluding 2019.02.18.00 is affected by CVE-2019-3552.
How can a malicious client exploit CVE-2019-3552?
A malicious client can exploit CVE-2019-3552 by sending messages with containers of fields of unknown type, causing the server to take a long time to parse the message and potentially leading to denial of service.
Is there a fix for CVE-2019-3552?
Yes, the issue has been addressed in a commit by Facebook. It is recommended to update to a version that includes the fix.

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