CVE-2015-8620
high
CVSS v3
7.8
CVSS v4 NEW
—
VIR risk
7.8
Description
Heap-based buffer overflow in the Avast virtualization driver (aswSnx.sys) in Avast Internet Security, Pro Antivirus, Premier, and Free Antivirus before 11.1.2253 allows local users to gain privileges via a Unicode file path in an IOCTL request.
Predictions
Exploit likelihood
75%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| avast | avast_free_antivirus | {"endIncluding":"11.1.2245"} | |
| avast | avast_internet_security | {"endIncluding":"11.1.2245"} | |
| avast | avast_premier | {"endIncluding":"11.1.2245"} | |
| avast | avast_pro_antivirus | {"endIncluding":"11.1.2245"} | |
References
- http://packetstormsecurity.com/files/135859/Avast-11.1.2245-Heap-Overflow.html
- http://seclists.org/fulldisclosure/2016/Feb/94
- http://www.securitytracker.com/id/1035093
- https://www.nettitude.co.uk/exploiting-a-kernel-paged-pool-buffer-overflow-in-avast-virtualization-driver/
- http://packetstormsecurity.com/files/135859/Avast-11.1.2245-Heap-Overflow.html
- http://seclists.org/fulldisclosure/2016/Feb/94
- http://www.securitytracker.com/id/1035093
- https://www.nettitude.co.uk/exploiting-a-kernel-paged-pool-buffer-overflow-in-avast-virtualization-driver/
CWEs
CWE-119
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.