Overwolf up to 250.1.0 on Windows dll uncontrolled search path

CVSS Meta Temp Score
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CTI Interest Score
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7.7$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in Overwolf up to 250.1.0 on Windows. This issue affects some unknown processing in the library dll. Such manipulation leads to uncontrolled search path. This vulnerability is referenced as CVE-2024-7834. The attack can only be performed from a local environment. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Overwolf up to 250.1.0 on Windows. Affected by this issue is an unknown function in the library dll. The manipulation with an unknown input leads to a uncontrolled search path vulnerability. Using CWE to declare the problem leads to CWE-427. The product uses a fixed or controlled search path to find resources, but one or more locations in that path can be under the control of unintended actors. Impacted is confidentiality, integrity, and availability. CVE summarizes:

A local privilege escalation is caused by Overwolf loading and executing certain dynamic link library files from a user-writeable folder in SYSTEM context on launch. This allows an attacker with unprivileged access to the system to run arbitrary code with SYSTEM privileges by placing a malicious .dll file in the respective location.

The advisory is shared for download at cirosec.de. This vulnerability is handled as CVE-2024-7834 since 08/15/2024. The exploitation is known to be easy. The attack needs to be approached locally. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1574.

Upgrading to version 250.1.1 eliminates this vulnerability.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.8
VulDB Meta Temp Score: 7.7

VulDB Base Score: 7.8
VulDB Temp Score: 7.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CNA Base Score: 7.8
CNA Vector (cirosec): 🔍

CVSSv2info

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

Exploitinginfo

Class: Uncontrolled search path
CWE: CWE-427 / CWE-426
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Overwolf 250.1.1

Timelineinfo

08/15/2024 🔍
09/04/2024 +20 days 🔍
09/04/2024 +0 days 🔍
09/06/2024 +2 days 🔍

Sourcesinfo

Advisory: cirosec.de
Status: Confirmed

CVE: CVE-2024-7834 (🔍)
GCVE (CVE): GCVE-0-2024-7834
GCVE (VulDB): GCVE-100-276500

Entryinfo

Created: 09/04/2024 16:09
Updated: 09/06/2024 06:22
Changes: 09/04/2024 16:09 (64), 09/05/2024 12:47 (1), 09/06/2024 06:22 (10)
Complete: 🔍
Cache ID: 216::103

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