SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2019-3565

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.

HIGH 7.5EPSS 2.81%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (2.81%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Legacy C++ Facebook Thrift servers (using cpp instead of 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 v2019.05.06.00.

CVSS 3.1
7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
2.81% probability · 86th percentile
CISA KEV
Not listed
Weakness
CWE-834, CWE-755
Affected
facebook/thrift
Source
cve-assign@fb.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.