Avira Software Updater prior 2.0.6.27476 Hard Link privileges management

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.
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in Avira Software Updater. The impacted element is an unknown function of the component Hard Link Handler. Such manipulation leads to privileges management. This vulnerability is documented as CVE-2020-12463. The attack needs to be performed locally. There is not any exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Avira Software Updater. Affected by this issue is an unknown part of the component Hard Link Handler. The manipulation with an unknown input leads to a privileges management vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. CVE summarizes:

An elevation of privilege vulnerability exists in Avira Software Updater before 2.0.6.27476 due to improperly handling file hard links. This allows local users to obtain take control of arbitrary files.

The weakness was released 05/05/2020 (Website). The advisory is available at support.avira.com. This vulnerability is handled as CVE-2020-12463 since 04/29/2020. Local access is required to approach this attack. A simple authentication is necessary for exploitation. 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 2.0.6.27476 eliminates this vulnerability.

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Productinfo

Vendor

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.4

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

NVD Base Score: 7.8
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: Privileges management
CWE: CWE-269 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

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: Software Updater 2.0.6.27476

Timelineinfo

04/29/2020 🔍
05/05/2020 +6 days 🔍
05/06/2020 +1 days 🔍
10/15/2020 +162 days 🔍

Sourcesinfo

Advisory: support.avira.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2020-12463 (🔍)
GCVE (CVE): GCVE-0-2020-12463
GCVE (VulDB): GCVE-100-154766

Entryinfo

Created: 05/06/2020 08:16
Updated: 10/15/2020 13:20
Changes: 05/06/2020 08:16 (38), 05/06/2020 08:21 (17), 10/15/2020 13:20 (1)
Complete: 🔍
Cache ID: 216::103

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