7.8
HIGH
CVE-2019-15315
"Valve Steam Client Windows Privilege Escalation"
Description

Valve Steam Client for Windows through 2019-08-16 allows privilege escalation (to NT AUTHORITY\SYSTEM) because local users can replace the current versions of SteamService.exe and SteamService.dll with older versions that lack the CVE-2019-14743 patch.

INFO

Published Date :

Aug. 21, 2019, 8:15 p.m.

Last Modified :

Aug. 24, 2020, 5:37 p.m.

Remotely Exploitable :

No

Impact Score :

5.9

Exploitability Score :

1.8
Public PoC/Exploit Available at Github

CVE-2019-15315 has a 1 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2019-15315 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Valvesoftware steam_client
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2019-15315.

URL Resource
https://xiaoyinl.github.io/steam_EoP_bypass.html Third Party Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Pokes users about outstanding security risks found by Crowdstrike Spotlight or vmware Workspace ONE so they secure their own endpoint.

crowdstrike spotlight slack ws1 workspace one security

Dockerfile Makefile Go

Updated: 1 month, 2 weeks ago
28 stars 5 fork 5 watcher
Born at : May 31, 2021, 6:18 a.m. This repo has been linked 1 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2019-15315 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2019-15315 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CWE Remap by [email protected]

    Aug. 24, 2020

    Action Type Old Value New Value
    Changed CWE CWE-264 CWE-732
  • Initial Analysis by [email protected]

    Aug. 30, 2019

    Action Type Old Value New Value
    Added CVSS V2 (AV:L/AC:L/Au:N/C:C/I:C/A:C)
    Added CVSS V3 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://xiaoyinl.github.io/steam_EoP_bypass.html No Types Assigned https://xiaoyinl.github.io/steam_EoP_bypass.html Third Party Advisory
    Added CWE CWE-264
    Added CPE Configuration AND OR *cpe:2.3:a:valvesoftware:steam_client:*:*:*:*:*:*:*:* versions up to (including) 2019-08-16 OR cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.04 }} 0.00%

score

0.05635

percentile

CVSS30 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability