SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2020-7881

The vulnerability function is enabled when the streamer service related to the AfreecaTV communicated through web socket using 21201 port.

HIGH 8.8EPSS 1.39%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (1.39%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

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 3.1
8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
1.39% probability · 71th percentile
CISA KEV
Not listed
Weakness
CWE-190, CWE-787
Affected
afreecatv/afreecatv
Source
vuln@krcert.or.kr

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.