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.
Other vulnerabilities in Avast Antivirus
See all- CVE-2017-8308High
In Avast Antivirus before v17, an unprivileged user 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.
- CVE-2020-20118Medium
A buffer overflow vulnerability in the aswSnx.sys driver of Avast AntiVirus before version 19.7 allows a local attacker to cause a denial of service (DoS) via a crafted request.
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.