Valve Steam Client Detection Protocol code

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CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.3$0-$5k0.00

A vulnerability was found in Valve Steam (unknown version) and classified as problematic. This issue affects some unknown functionality of the component Client Detection Protocol. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-17. Impacted is availability. The summary by CVE is:

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.

The weakness was disclosed 05/20/2015 (Website). The advisory is shared at store.steampowered.com. The identification of this vulnerability is CVE-2015-4016 since 05/18/2015. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 74735).

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VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

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VulDB Base Score: 🔍
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Exploitinginfoedit

Class: Denial of service
CWE: CWE-17
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔍

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Recommended: no mitigation known
Status: 🔍

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Timelineinfoedit

05/18/2015 🔍
05/19/2015 +1 days 🔍
05/20/2015 +1 days 🔍
05/20/2015 +0 days 🔍
05/21/2015 +1 days 🔍
03/30/2019 +1409 days 🔍

Sourcesinfoedit

Advisory: store.steampowered.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2015-4016 (🔍)
SecurityFocus: 74735 - Valve Steam CVE-2015-4016 Denial of Service Vulnerability

Entryinfoedit

Created: 05/21/2015 10:18 AM
Updated: 03/30/2019 09:18 PM
Changes: (4) advisory_confirm_url source_cve_assigned source_securityfocus_date source_securityfocus_class
Complete: 🔍

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