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Vulnerability CVE-2019-18894
Published: 2020-01-13
| Description: |
In Avast Premium Security 19.8.2393, attackers can send a specially crafted request to the local web server run by Avast Antivirus on port 27275 to support Bank Mode functionality. A flaw in the processing of a command allows execution of arbitrary OS commands with the privileges of the currently logged in user. This allows for example attackers who compromised a browser extension to escape from the browser sandbox. |
Type:
CWE-78 (Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
)
CVSS2 => (AV:N/AC:M/Au:N/C:C/I:C/A:C)
| CVSS Base Score |
Impact Subscore |
Exploitability Subscore |
9.3/10 |
10/10 |
8.6/10 |
| Exploit range |
Attack complexity |
Authentication |
Remote |
Medium |
No required |
| Confidentiality impact |
Integrity impact |
Availability impact |
Complete |
Complete |
Complete |
References: |
https://palant.de/2020/01/13/pwning-avast-secure-browser-for-fun-and-profit/
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