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

Goal: 1000 CNY · Raised: 1000 CNY

100.0%
Get alerts for future matching vulnerabilitiesLog in to subscribe
I. Basic Information for CVE-2021-27439
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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.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
TencentOS-tiny Integer Overflow or Wraparound
Source: NVD (National Vulnerability Database)
Vulnerability Description
TencentOS-tiny version 3.1.0 is vulnerable to integer wrap-around in function 'tos_mmheap_alloc incorrect calculation of effective memory allocation size. This improper memory assignment can lead to arbitrary memory allocation, resulting in unexpected behavior such as a crash or a remote code injection/execution.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
整数溢出或超界折返
Source: NVD (National Vulnerability Database)
Vulnerability Title
Tencent OS-tiny 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Tencent OS-tiny是中国腾讯(Tencent)公司的一款面向物联网领域开发的实时操作系统。具有低功耗,低资源占用,模块化,安全可靠等特点,可有效提升物联网终端产品开发效率。 Tencent OS-tiny 3.1.0 版本存在输入验证错误漏洞,该漏洞源于不正确的内存分配可能导致任意的内存分配,从而导致意外的行为,如崩溃或远程代码注入执行。
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
VendorProductAffected VersionsCPESubscribe
TencentOS-tinyTencentOS-tiny 3.1.0 -
II. Public POCs for CVE-2021-27439
#POC DescriptionSource LinkShenlong Link
AI-Generated POCPremium

No public POC found.

Login to generate AI POC
III. Intelligence Information for CVE-2021-27439
Please Login to view more intelligence information
IV. Related Vulnerabilities
V. Comments for CVE-2021-27439

No comments yet


Leave a comment