9

CVE-2021-30481

Exploit
Valve Steam before 2021-04-17, when a Source engine game is installed, allows remote authenticated users to execute arbitrary code because of a buffer overflow that occurs for a Steam invite after one click.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Valvesoftware ≫ Steam Client Version <= 2021-04-10
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 3.5% 0.877
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 9 2.3 6
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
nvd@nist.gov 6 6.8 6.4
AV:N/AC:M/Au:S/C:P/I:P/A:P
cve@mitre.org 8 1.3 6
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H
CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.

https://news.ycombinator.com/item?id=26762170
Third Party Advisory
Issue Tracking
https://twitter.com/floesen_/status/1337107178096881666
Third Party Advisory
https://twitter.com/the_secret_club/status/1380868759129296900
Third Party Advisory
Exploit
https://www.youtube.com/watch?v=rNQn--9xR1Q
Third Party Advisory
Exploit