VulnerabilityModified
CVE-2023-23759
There is a vulnerability in the fizz library prior to v2023.01.30.00 where a CHECK failure can be triggered remotely.
HIGH 7.5EPSS 0.72%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.72%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.72% probability · 52th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-617
- Affected
- facebook/fizz
- Source
- cve-assign@fb.com
References
- https://github.com/facebookincubator/fizz/commit/8d3649841597bedfb6986c30431ebad0eb215265Patch
- https://www.facebook.com/security/advisories/cve-2023-23759Patch, Vendor Advisory
- https://github.com/facebookincubator/fizz/commit/8d3649841597bedfb6986c30431ebad0eb215265Patch
- https://www.facebook.com/security/advisories/cve-2023-23759Patch, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.