SB2019052013 - Input validation error in Steam
Published: May 20, 2019 Updated: August 8, 2020
Security Bulletin ID
SB2019052013
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Input validation error (CVE-ID: CVE-2018-12270)
The vulnerability allows a remote non-authenticated attacker to read and manipulate data.
In Valve Steam 1528829181 BETA, it is possible to perform a homograph / homoglyph attack to create fake URLs in the client, which may trick users into visiting unintended web sites.
Remediation
Install update from vendor's website.