High severity · published Apr 27, 2017
CVE-2017-8308
In Avast Antivirus before v17, an unprivileged user (and thus malware or a virus) can mark an arbitrary process as Trusted from the perspective of the Avast product
7.5
CVSS
1.5%
EPSS
No
On KEV
Description
In Avast Antivirus before v17, an unprivileged user (and thus malware or a virus) can mark an arbitrary process as Trusted from the perspective of the Avast product. This bypasses the Self-Defense feature of the product, opening a door to subsequent attack on many of its components.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.5% · higher than 73% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AN
Antivirus · Avast
through 12.3.2279 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-8308
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-8308
Third Party Advisory
http://www.securityfocus.com/bid/98084
Exploit
https://www.trustwave.com/Resources/Security-Advisories/Advisories/Multiple-Vulnerabilities-in-Avast-Antivirus/?fid=9201
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