Avast Antivirus up to 19 TaskEx Library AvastSvc.exe RPC Call permission assignment

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.2$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Avast Antivirus up to 19. This issue affects some unknown processing of the file AvastSvc.exe of the component TaskEx Library. The manipulation as part of RPC Call leads to permission assignment. This vulnerability is documented as CVE-2020-10868. The attack can be initiated remotely. There is not any exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Avast Antivirus up to 19 (Anti-Malware Software). This issue affects some unknown functionality of the file AvastSvc.exe of the component TaskEx Library. The manipulation as part of a RPC Call leads to a permission assignment vulnerability. Using CWE to declare the problem leads to CWE-732. The product specifies permissions for a security-critical resource in a way that allows that resource to be read or modified by unintended actors. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

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 launch the Repair App RPC call from a Low Integrity process.

The weakness was released 04/01/2020. The identification of this vulnerability is CVE-2020-10868 since 03/23/2020. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details of the vulnerability are known, but there is no available exploit.

Upgrading to version 20 eliminates this vulnerability.

Entries connected to this vulnerability are available at VDB-152650, VDB-152648 and VDB-152647. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.4
VulDB Meta Temp Score: 7.2

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
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: Permission assignment
CWE: CWE-732 / CWE-275 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
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-2020-10868 (🔍)
GCVE (CVE): GCVE-0-2020-10868
GCVE (VulDB): GCVE-100-152651
See also: 🔍

Entryinfo

Created: 04/02/2020 13:07
Updated: 05/13/2024 08:08
Changes: 04/02/2020 13:07 (40), 04/02/2020 13:12 (18), 05/13/2024 08:08 (18)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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