Denial of Service Vulnerability in Fizz Library Prior to Version 2023.01.30.00
CVE-2023-23759

7.5HIGH

Key Information:

Vendor

Facebook

Status
Fizz
Vendor
CVE Published:
18 May 2023

What is CVE-2023-23759?

A vulnerability has been identified in the Fizz library versions prior to 2023.01.30.00, where a CHECK failure may be triggered remotely. This issue occurs when the client-supported cipher advertisement changes between the original ClientHello and the subsequent ClientHello, resulting in a crash of the process. The main consequence of this vulnerability is a denial of service, impacting the availability of applications using the affected library.

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Affected Version(s)

fizz v0.0.0.0

References

https://www.facebook.com/security/advisories/cve-2023-23759
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https://github.com/facebookincubator/fizz/commit/8d364984...
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CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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