GOG Galaxy up to 2.0.71.2 RPC Object Manager Symbolic Link GalaxyClientService.exe denial of service

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.6$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in GOG Galaxy up to 2.0.71.2. Impacted is an unknown function of the file GalaxyClientService.exe of the component RPC Object Manager Symbolic Link Handler. The manipulation leads to denial of service. This vulnerability is uniquely identified as CVE-2023-50915. No exploit exists.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in GOG Galaxy up to 2.0.71.2. This issue affects an unknown functionality of the file GalaxyClientService.exe of the component RPC Object Manager Symbolic Link Handler. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is integrity, and availability. The summary by CVE is:

An issue exists in GalaxyClientService.exe in GOG Galaxy (Beta) 2.0.67.2 through 2.0.71.2 that could allow authenticated users to overwrite and corrupt critical system files via a combination of an NTFS Junction and an RPC Object Manager symbolic link and could result in a denial of service.

It is possible to read the advisory at support.gog.com. The identification of this vulnerability is CVE-2023-50915 since 12/15/2023. The exploitation is known to be easy. Technical details of the vulnerability are known, but there is no available exploit.

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 EUVD (EUVD-2023-55646). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.6
VulDB Meta Temp Score: 4.6

VulDB Base Score: 4.6
VulDB Temp Score: 4.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/15/2023 🔍
04/30/2024 +136 days 🔍
04/30/2024 +0 days 🔍
03/06/2026 +674 days 🔍

Sourcesinfo

Advisory: support.gog.com
Status: Confirmed

CVE: CVE-2023-50915 (🔍)
GCVE (CVE): GCVE-0-2023-50915
GCVE (VulDB): GCVE-100-262487
EUVD: 🔍

Entryinfo

Created: 04/30/2024 16:16
Updated: 03/06/2026 00:07
Changes: 04/30/2024 16:16 (53), 03/29/2025 08:45 (2), 03/06/2026 00:07 (1)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Interested in the pricing of exploits?

See the underground prices here!