GOG Galaxy 1.2.48.36 on 64-bit Installer access control

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.
8.3$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in GOG Galaxy 1.2.48.36 on 64-bit. Affected by this issue is some unknown functionality of the component Installer. Executing a manipulation can lead to access control. This vulnerability is registered as CVE-2018-4048. The attack needs to be launched locally. No exploit is available.

Detailsinfo

A vulnerability classified as critical was found in GOG Galaxy 1.2.48.36 on 64-bit. This vulnerability affects an unknown function of the component Installer. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-264. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

An exploitable local privilege elevation vulnerability exists in the file system permissions of the `Temp` directory in GOG Galaxy 1.2.48.36 (Windows 64-bit Installer). An attacker can overwrite executables of the Desktop Galaxy Updater to exploit this vulnerability and execute arbitrary code with SYSTEM privileges.

The bug was discovered 03/26/2019. The weakness was published 05/30/2019. This vulnerability was named CVE-2018-4048 since 01/02/2018. Local access is required to approach this attack. The successful exploitation requires a single authentication. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

The vulnerability was handled as a non-public zero-day exploit for at least 65 days. During that time the estimated underground price was around $0-$5k.

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

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.3
VulDB Meta Temp Score: 8.3

VulDB Base Score: 7.8
VulDB Temp Score: 7.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CNA Base Score: 9.3
CNA Vector (Talos): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/02/2018 🔍
03/26/2019 +448 days 🔍
05/30/2019 +65 days 🔍
05/31/2019 +1 days 🔍
09/25/2023 +1578 days 🔍

Sourcesinfo

Advisory: talosintelligence.com
Status: Not defined

CVE: CVE-2018-4048 (🔍)
GCVE (CVE): GCVE-0-2018-4048
GCVE (VulDB): GCVE-100-135730
OSVDB: - GOG Galaxy temp directory privilege escalation

Entryinfo

Created: 05/31/2019 06:45
Updated: 09/25/2023 10:30
Changes: 05/31/2019 06:45 (40), 06/17/2020 11:04 (17), 09/25/2023 10:24 (3), 09/25/2023 10:30 (12)
Complete: 🔍
Cache ID: 216::103

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