CVE-2020-7881 — HIGH (7.5) — White Hats Nepal

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.

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Afreecatv	Afreecatv	1.0.0.1
Microsoft	Windows	-

Related Weaknesses (CWE)

CWE-190 CWE-787

References

https://www.boho.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=36357Third Party Advisory
https://www.boho.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=36357Third Party Advisory

FAQ

What is CVE-2020-7881?

CVE-2020-7881 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 executio...

How severe is CVE-2020-7881?

CVE-2020-7881 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-7881?

Check the references section above for vendor advisories and patch information. Affected products include: Afreecatv Afreecatv, Microsoft Windows.