CVE-2020-12242 Information

Description

Valve Source allows local users to gain privileges by writing to the /tmp/hl2_relaunch file which is later executed in the context of a different user account.

CVSS Vector

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

Reference

https://0xem.ma/cve/2020/04/28/Source-hl2-relaunch-exec.html

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.8