Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2021-24025

Quick assessment

Affected
Facebook HHVM
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.

Katy Voor HHVM是 （Katy Voor）开源的一个应用软件。提供一个开放源代码的虚拟机，旨在执行用Hack编写的程序。 HHVM 存在安全漏洞，该漏洞源于preg_quote函数中不正确的字符串大小计算，传递给函数的大输入字符串可能触发整数溢出，导致堆溢出。以下产品及版本受到影响：HHVM versions prior to 4.56.3, all versions between 4.57.0 and 4.80.1, all versions between 4.81.0 and 4.93

AI Predicted 9.8 Difficulty: Easy EPSS 1.66% · P76

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2021-24025

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Due to incorrect string size calculations inside the preg_quote function, a large input string passed to the function can trigger an integer overflow leading to a heap overflow. This issue affects HHVM versions prior to 4.56.3, all versions between 4.57.0 and 4.80.1, all versions between 4.81.0 and 4.93.1, and versions 4.94.0, 4.95.0, 4.96.0, 4.97.0, 4.98.0.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
堆缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
Katy Voor HHVM 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Katy Voor HHVM是 （Katy Voor）开源的一个应用软件。提供一个开放源代码的虚拟机，旨在执行用Hack编写的程序。 HHVM 存在安全漏洞，该漏洞源于preg_quote函数中不正确的字符串大小计算，传递给函数的大输入字符串可能触发整数溢出，导致堆溢出。以下产品及版本受到影响：HHVM versions prior to 4.56.3, all versions between 4.57.0 and 4.80.1, all versions between 4.81.0 and 4.93
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 HHVM 4.98.1 ~ unspecified -

II. Public POCs for CVE-2021-24025

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2021-24025

请登录查看更多情报信息。

Patches & Fixes for CVE-2021-24025 (1)

Security Blog Posts for CVE-2021-24025 (1)

Same Patch Batch · Facebook · 2021-03-10 · 7 CVEs total

CVE-2020-1916 Katy Voor HHVM 缓冲区错误漏洞
CVE-2020-1917 Katy Voor HHVM 缓冲区错误漏洞
CVE-2020-1918 Katy Voor HHVM 缓冲区错误漏洞
CVE-2020-1919 Katy Voor HHVM 缓冲区错误漏洞
CVE-2020-1921 Katy Voor HHVM 缓冲区错误漏洞
CVE-2021-24030 Facebook Gameroom 参数注入漏洞

IV. Related Vulnerabilities

Same product: HHVM
Same vendor: Facebook
Same weakness: CWE-122

V. Comments for CVE-2021-24025

No comments yet

Leave a comment