What is CVE-2020-7881?

CVE-2020-7881 is a high-severity vulnerability in Afreecatv, classified under Integer Overflow or Wraparound. CVSS score: 7.5/10. Published 2021-11-26.

How severe is CVE-2020-7881?

High severity. CVSS v3 base score is 7.5 out of 10.

Buffer overflow in Afreecatv

CVE-2020-7881

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.

Vulnerability class: Integer Overflow

EPSS: 0.014 (69.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Afreecatv — versions 1.0.0.1
Afreecatv Afreecatvstreamer.exe — versions 1.0.0.1
Microsoft Windows

Weakness classification (CWE)

References

vuln@krcert.or.kr (Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2020-7881?: CVE-2020-7881 is a high-severity vulnerability in Afreecatv, classified under Integer Overflow or Wraparound. CVSS score: 7.5/10. Published 2021-11-26.
How severe is CVE-2020-7881?: High severity. CVSS v3 base score is 7.5 out of 10.