CVE-2023-23759

CVSS 7.5 HIGHEPSS 0.7%CWE-617

Vexday Risk Score

21Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 7.5EPSS 0.7%KEV nãoPoC —Patch —

Lifecycle

18 May 2023Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

There is a vulnerability in the fizz library prior to v2023.01.30.00 where a CHECK failure can be triggered remotely. This behavior requires the client supported cipher advertisement changing between the original ClientHello and the second ClientHello, crashing the process (impact is limited to denial of service).

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

Facebook · fizz

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References

https://github.com/facebookincubator/fizz/commit/8d3649841597bedfb6986c30431ebad0eb215265 https://www.facebook.com/security/advisories/cve-2023-23759