Vulnerability CVE-2019-3558


Published: 2019-05-06

Description:
Python Facebook Thrift servers 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.

Type:

CWE-20

(Improper Input Validation)

CVSS2 => (AV:N/AC:L/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
Facebook -> Thrift 

 References:
http://www.securityfocus.com/bid/108274
https://github.com/facebook/fbthrift/commit/c5d6e07588cd03061bc54d451a7fa6e84883d62b
https://www.facebook.com/security/advisories/cve-2019-3558

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