CVE-2019-3553

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.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.64%
Vendor Advisory facebook.com
Affected: Facebook Facebook Thrift
Published at:
Updated at:

References

Link Tags
https://github.com/facebook/fbthrift/commit/c9a903e5902834e95bbd4ab0e9fa53ba0189f351 third party advisory patch
https://github.com/facebook/fbthrift/commit/3f156207e8a6583d88999487e954320dc18955e6 third party advisory patch
https://www.facebook.com/security/advisories/cve-2019-3553 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2019-3553?
CVE-2019-3553 has been scored as a high severity vulnerability.
How to fix CVE-2019-3553?
To fix CVE-2019-3553, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2019-3553 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2019-3553 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2019-3553?
CVE-2019-3553 affects Facebook Facebook Thrift.
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