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

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2020-7881— AfreecaTV streamer service stack-based buffer overflow

Quick assessment

Affected
AfreecaTV afreecatvstreamer.exe
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.

AfreecaTV是韩国AfreecaTV公司的一种基于 P2P 技术的视频流服务。 AfreecaTV 相关的流媒体服务存在缓冲区错误漏洞，该漏洞源于存储的数据没有长度验证。在FanTicket字段的strcpy()操作中发现了基于堆栈的缓冲区溢出，导致远程代码执行。

CVSS 7.5 · High EPSS 1.44% · P72

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2020-7881

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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.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
AfreecaTV streamer service stack-based buffer overflow
Source: CVE Program / CVE List V5
Vulnerability Description
The vulnerability function is enabled when the streamer service related to the AfreecaTV communicated through web socket using 21201 port. A stack-based buffer overflow leading to remote code execution was discovered in strcpy() operate by "FanTicket" field. It is because of stored data without validation of length.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
整数溢出或超界折返
Source: CVE Program / CVE List V5
Vulnerability Title
AfreecaTV 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
AfreecaTV是韩国AfreecaTV公司的一种基于 P2P 技术的视频流服务。 AfreecaTV 相关的流媒体服务存在缓冲区错误漏洞，该漏洞源于存储的数据没有长度验证。在FanTicket字段的strcpy()操作中发现了基于堆栈的缓冲区溢出，导致远程代码执行。
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

Vendor Product Affected Versions CPE Subscribe
AfreecaTV afreecatvstreamer.exe 1.0.0.1 ~ 2020.06.15 -

II. Public POCs for CVE-2020-7881

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

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2020-7881

请登录查看更多情报信息。

Other References for CVE-2020-7881 (1)

IV. Related Vulnerabilities

Same weakness: CWE-190

V. Comments for CVE-2020-7881

No comments yet

Leave a comment