Avast/AVG Antivirus prior 22.10 Malware Removal privileges management

CVSS Meta Temp Score
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CTI Interest Score
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7.1$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in Avast/AVG Antivirus. The affected element is an unknown function of the component Malware Removal Handler. Executing a manipulation can lead to privileges management. This vulnerability appears as CVE-2022-4173. The attack may be performed from remote. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as critical was found in Avast/AVG Antivirus (Anti-Malware Software). This vulnerability affects an unknown function of the component Malware Removal Handler. The manipulation with an unknown input leads to a privileges management vulnerability. The CWE definition for the vulnerability is CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

A vulnerability within the malware removal functionality of Avast and AVG Antivirus allowed an attacker with write access to the filesystem, to escalate his privileges in certain scenarios. The issue was fixed with Avast and AVG Antivirus version 22.10.

The weakness was presented 12/06/2022. The advisory is available at support.norton.com. This vulnerability was named CVE-2022-4173 since 11/29/2022. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

Upgrading to version 22.10 eliminates this vulnerability.

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

Productinfo

Type

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.2
VulDB Meta Temp Score: 7.1

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CNA Base Score: 7.3
CNA Vector (NortonLifeLock Inc.): 🔍

CVSSv2info

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

Exploitinginfo

Class: Privileges management
CWE: CWE-269 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

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: Antivirus 22.10

Timelineinfo

11/29/2022 🔍
12/06/2022 +7 days 🔍
12/06/2022 +0 days 🔍
12/26/2022 +20 days 🔍

Sourcesinfo

Advisory: support.norton.com
Status: Confirmed

CVE: CVE-2022-4173 (🔍)
GCVE (CVE): GCVE-0-2022-4173
GCVE (VulDB): GCVE-100-214858

Entryinfo

Created: 12/06/2022 09:36
Updated: 12/26/2022 14:39
Changes: 12/06/2022 09:36 (50), 12/26/2022 14:39 (11)
Complete: 🔍
Cache ID: 216::103

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

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