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CVE-2019-3560

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 2019.03.04.00之前版本中的PlaintextRecordLayer存在安全漏洞，该漏洞源于程序没有测量缓冲区的长度。攻击者可利用该漏洞造成拒绝服务（无限循环）。

AI Predicted 5.3 Difficulty: Easy EPSS 2.42% · P84

Possible ATT&CK Techniques 1 AI

T1298
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I. Basic Information for CVE-2019-3560

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
An improperly performed length calculation on a buffer in PlaintextRecordLayer could lead to an infinite loop and denial-of-service based on user input. This issue affected versions of fizz prior to v2019.03.04.00.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
不可达退出条件的循环(无限循环)
Source: CVE Program / CVE List V5
Vulnerability Title
fizz 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
fizz是一款使用C++语言编写的TLS实现。 fizz 2019.03.04.00之前版本中的PlaintextRecordLayer存在安全漏洞，该漏洞源于程序没有测量缓冲区的长度。攻击者可利用该漏洞造成拒绝服务（无限循环）。
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 v2019.03.04.00 -

II. Public POCs for CVE-2019-3560

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III. Intelligence Information for CVE-2019-3560

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Patches & Fixes for CVE-2019-3560 (1)

Exploits & Public PoCs for CVE-2019-3560 (1)

Same Patch Batch · Facebook · 2019-04-29 · 3 CVEs total

CVE-2019-3561 Facebook HHVM 缓冲区错误漏洞
CVE-2019-3563 Facebook Wangle 缓冲区错误漏洞

IV. Related Vulnerabilities

Same product: fizz
Same vendor: Facebook
Same weakness: CWE-835

V. Comments for CVE-2019-3560

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