CVE-2017-8307
CriticalSummary
In Avast Antivirus before v17, using the LPC interface API exposed by the AvastSVC.exe Windows service, it is possible to launch predefined binaries, or replace or delete arbitrary files. This vulnerability is exploitable by any unprivileged user when Avast Self-Defense is disabled.
Risk Assessment
This vulnerability poses a risk of Denial of Service attacks and allows for hiding traces of a possible attack, which can lead to serious security implications for the organization.
Recommendation
It is recommended to update Avast Antivirus to the latest version and enable Self-Defense to minimize the risk of exploitation of this vulnerability.
Original NVD description (English source)
In Avast Antivirus before v17, using the LPC interface API exposed by the AvastSVC.exe Windows service, it is possible to launch predefined binaries, or replace or delete arbitrary files. This vulnerability is exploitable by any unprivileged user when Avast Self-Defense is disabled. It is also exploitable in conjunction with CVE-2017-8308 when Avast Self-Defense is enabled. The vulnerability allows for Denial of Service attacks and hiding traces of a possible attack.