Vulnerability Monitor

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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. This bypasses the Self-Defense feature of the product, opening a door to subsequent attack on many of its components.

Published

2017-04-27T20:59:00.200

Last Modified

2025-04-20T01:37:25.860

Status

Deferred

Source

[email protected]

Severity

CVSSv3.0: 7.5 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:P/A:N

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: PARTIAL
Availability Impact: NONE

Exploitability Score

10.0

Impact Score

2.9

Weaknesses

Type: Primary
CWE-269

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	avast	antivirus	≤ 12.3.2279	Yes

References

http://www.securityfocus.com/bid/98084 Third Party Advisory, VDB Entry ([email protected])
https://www.trustwave.com/Resources/Security-Advisories/Advisories/Multiple-Vulnerabilities-in-Avast-Antivirus/?fid=9201 Exploit, Technical Description, Third Party Advisory ([email protected])
http://www.securityfocus.com/bid/98084 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://www.trustwave.com/Resources/Security-Advisories/Advisories/Multiple-Vulnerabilities-in-Avast-Antivirus/?fid=9201 Exploit, Technical Description, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)