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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.014 (72.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 72nd percentile — 72.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.014 · newest: 0.014 · change: +0.000
Affected products
- Afreecatv — versions 1.0.0.1
- Afreecatv Afreecatvstreamer.exe — versions 1.0.0.1
- Microsoft Windows
Weakness classification (CWE)
References
- www.boho.or.kr/krcert/secNoticeView.do (Third Party Advisory)
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.