// For flags

CVE-2015-4016

Valve Steam Client Detection Denial of Service Vulnerability

Severity Score

5.0
*CVSS v2

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

The client detection protocol in Valve Steam allows remote attackers to cause a denial of service (process crash) via a crafted response to a broadcast packet.

El protocolo de detección de clientes en Valve Steam permite a atacantes remotos causar una denegación de servicio (caída de proceso) a través de una respuesta manipulada a un paquete de difusión.

This vulnerability allows remote attackers to execute a denial of service attack on vulnerable installations of Valve Steam. Authentication is not required to exploit this vulnerability.
The specific flaw exists within the Steam client detection protocol. By responding to a broadcast packet with a crafted response, an attacker can cause the Steam process to crash.

*Credits: Elvis Collado - HP DVLabs
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2015-05-18 CVE Reserved
  • 2015-05-19 CVE Published
  • 2024-08-06 CVE Updated
  • 2024-09-23 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-20: Improper Input Validation
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Valvesoftware
Search vendor "Valvesoftware"
 Steam Client
Search vendor "Valvesoftware" for product "Steam Client"
 < 2015-05-13
Search vendor "Valvesoftware" for product "Steam Client" and version " < 2015-05-13"
-
Affected