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CVE-2023-23759

Quick assessment

Affected
Facebook fizz
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

fizz是一款使用C++语言编写的TLS实现。 fizz v2023.01.30.00 之前版本存在安全漏洞，该漏洞源于客户端支持的密码广告在原始 ClientHello 和第二个 ClientHello 之间更改，导致进程崩溃。

AI Predicted 7.5 Difficulty: Moderate EPSS 0.72% · P52
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I. Basic Information for CVE-2023-23759

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability 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).
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
fizz 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
fizz是一款使用C++语言编写的TLS实现。 fizz v2023.01.30.00 之前版本存在安全漏洞，该漏洞源于客户端支持的密码广告在原始 ClientHello 和第二个 ClientHello 之间更改，导致进程崩溃。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Facebook fizz v0.0.0.0 ~ v2023.01.30.00 -

II. Public POCs for CVE-2023-23759

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III. Intelligence Information for CVE-2023-23759

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Patches & Fixes for CVE-2023-23759 (1)

Other References for CVE-2023-23759 (1)

Same Patch Batch · Facebook · 2023-05-18 · 9 CVEs total

CVE-2023-30470 Facebook Hermes 资源管理错误漏洞
CVE-2023-28753 Facebook Netconsd 缓冲区错误漏洞
CVE-2023-28081 Facebook Hermes 资源管理错误漏洞
CVE-2023-25933 Facebook Hermes 安全漏洞
CVE-2023-24833 Facebook Hermes 资源管理错误漏洞
CVE-2023-24832 Facebook Hermes 代码问题漏洞
CVE-2023-23557 Facebook Hermes 安全漏洞
CVE-2023-23556 Facebook Hermes 缓冲区错误漏洞

IV. Related Vulnerabilities

Same product: fizz
Same vendor: Facebook

V. Comments for CVE-2023-23759

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