Avira Free Anti-Virus prior 15.0.2004.1825 Self-Protection Feature code injection

Summaryinfo

A vulnerability identified as critical has been detected in Avira Free Anti-Virus. This affects an unknown function of the component Self-Protection Feature. The manipulation leads to code injection. This vulnerability is traded as CVE-2020-8961. It is possible to initiate the attack remotely. There is no exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Avira Free Anti-Virus (Anti-Malware Software). This issue affects some unknown functionality of the component Self-Protection Feature. The manipulation with an unknown input leads to a code injection vulnerability. Using CWE to declare the problem leads to CWE-94. The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

An issue was discovered in Avira Free-Antivirus before 15.0.2004.1825. The Self-Protection feature does not prohibit a write operation from an external process. Thus, code injection can be used to turn off this feature. After that, one can construct an event that will modify a file at a specific location, and pass this event to the driver, thereby defeating the anti-virus functionality.

The weakness was shared 04/09/2020 (Website). The advisory is shared at support.avira.com. The identification of this vulnerability is CVE-2020-8961 since 02/12/2020. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1059 for this issue.

Upgrading to version 15.0.2004.1825 eliminates this vulnerability.

The entry VDB-148200 is related to this item. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

• Anti-Malware Software

Vendor

• Avira

Name

• Free Anti-Virus

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CPE 2.2info

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If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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