Avast Antivirus up to 19 TaskEx Library AvastSvc.exe input validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.3$0-$5k0.00

A vulnerability has been found in Avast Antivirus up to 19 (Anti-Malware Software) and classified as problematic. This vulnerability affects some unknown functionality of the file AvastSvc.exe of the component TaskEx Library. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. As an impact it is known to affect availability. CVE summarizes:

An issue was discovered in Avast Antivirus before 20. The aswTask RPC endpoint for the TaskEx library in the Avast Service (AvastSvc.exe) allows attackers to achieve Arbitrary File Deletion from Avast Program Path via RPC, when Self Defense is Enabled.

The weakness was shared 04/01/2020. This vulnerability was named CVE-2020-10861 since 03/23/2020. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available.

Upgrading to version 20 eliminates this vulnerability.

Productinfo

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Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Local: No
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 20

Timelineinfo

03/23/2020 🔍
04/01/2020 +9 days 🔍
04/02/2020 +1 days 🔍
05/13/2024 +1502 days 🔍

Sourcesinfo

Advisory: forum.avast.com
Status: Not defined

CVE: CVE-2020-10861 (🔍)

Entryinfo

Created: 04/02/2020 01:05 PM
Updated: 05/13/2024 07:27 AM
Changes: 04/02/2020 01:05 PM (39), 04/02/2020 01:10 PM (18), 05/13/2024 07:27 AM (18)
Complete: 🔍
Cache ID: 3:718:40

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