VDB-200408 · CVE-2022-28965 · GCVE-0-2022-28965

Avast Premium Security prior 21.11.2500 DLL File instup.exe/wsc_proxy.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.
3.4	$0-$5k	0.00

Summaryinfo

A vulnerability described as problematic has been identified in Avast Premium Security. Affected is an unknown function of the file instup.exe/wsc_proxy.exe of the component DLL File Handler. Such manipulation leads to denial of service. This vulnerability is listed as CVE-2022-28965. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Avast Premium Security and classified as problematic. Affected by this issue is an unknown code block of the file instup.exe/wsc_proxy.exe of the component DLL File 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 availability.

The weakness was presented 05/20/2022. The advisory is shared for download at forum.avast.com. This vulnerability is handled as CVE-2022-28965 since 04/11/2022. There are known technical details, but no exploit is available.

Upgrading to version 21.11.2500 eliminates this vulnerability.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Avast

Name

Premium Security

License

free

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.4

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Premium Security 21.11.2500

Timelineinfo

04/11/2022 🔍
05/20/2022 +39 days 🔍
05/20/2022 +0 days 🔍
05/26/2022 +6 days 🔍

Sourcesinfo

Advisory: forum.avast.com
Status: Confirmed

CVE: CVE-2022-28965 (🔍)
GCVE (CVE): GCVE-0-2022-28965
GCVE (VulDB): GCVE-100-200408

Entryinfo

Created: 05/20/2022 08:05
Updated: 05/26/2022 18:48
Changes: 05/20/2022 08:05 (39), 05/26/2022 18:48 (1)
Complete: 🔍
Cache ID: 216::103