Vulnerability CVE-2020-9320
Published: 2020-02-20   Modified: 2020-02-21

Description:
Avira AV Engine before 8.3.54.138 allows virus-detection bypass via a crafted ISO archive. This affects versions before 8.3.54.138 of Antivirus for Endpoint, Antivirus for Small Business, Exchange Security (Gateway), Internet Security Suite for Windows, Prime, Free Security Suite for Windows, and Cross Platform Anti-malware SDK.

Type:

CWE-434

 (Unrestricted Upload of File with Dangerous Type)

CVSS2 => (AV:N/AC:M/Au:N/C:N/I:P/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.3/10
2.9/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
None
Partial
None
Affected software
Avira -> Anti-malware sdk 
Avira -> Antivirus server 
Avira -> Avira antivirus for endpoint 
Avira -> Avira antivirus for small business 
Avira -> Avira exchange security 
Avira -> Avira free security suite 
Avira -> Avira internet security suite 
Avira -> Avira prime 

 References:
http://packetstormsecurity.com/files/156472/AVIRA-Generic-Malformed-Container-Bypass.html
http://seclists.org/fulldisclosure/2020/Feb/31
https://blog.zoller.lu/p/from-low-hanging-fruit-department-avira.html
https://www.zoller.lu/[TZO-01-2020]%20AVIRA%20Generic%20Bypass%20ISO.pdf
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