Privilege escalation in Avast Antivirus
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.
Vulnerability class: Privilege Escalation
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.
EPSS exploit prediction
EPSS: 0.015 (72.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 73rd percentile — 72.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: 0.000
Affected products
Weakness classification (CWE)
References
- www.securityfocus.com/bid/98084 (VDB Entry, Third Party Advisory, vdb-entry)
- www.trustwave.com/Resources/Security-Advisories/Advisories/Multiple-Vulnerabili… (Technical Description, Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2017-8308?
- CVE-2017-8308 is a high-severity vulnerability in Avast Antivirus, classified under Improper Privilege Management. CVSS score: 7.5/10. Published 2017-04-27.
- How severe is CVE-2017-8308?
- High severity. CVSS v3 base score is 7.5 out of 10.