search menu icon-carat-right cmu-wordmark

CERT Coordination Center

avast! Mobile Security Android application denial-of-service vulnerability

Vulnerability Note VU#131263

Original Release Date: 2013-04-19 | Last Revised: 2013-04-19


avast! Mobile Security Android application version 2.0.3587, and possibly earlier versions, contains a denial-of-service vulnerability.


avast! Mobile Security (version 2.0.3587) crashes if an Intent is sent to with no arguments. Upon receiving the malformed intent the application will crash with the following message.

“Unfortunately, avast! Mobile Security has stopped.”

The logcat log contains a message confirming that the application has crashed.

“I/ActivityManager(  175): Process (pid 6596) has died.”

This results in a malicious application being able to disable the avast! Mobile Security software.


A malicious application installed on the phone may be able to disable the avast! Mobile Security software.


Apply an Update

Upgrade to avast! Mobile Security version 2.0.4400 or later to address this vulnerability.

Vendor Information


Avast! Antivirus Software Affected

Notified:  March 22, 2013 Updated: April 16, 2013



Vendor Statement

We have not received a statement from the vendor.

Vendor Information

We are not aware of further vendor information regarding this vulnerability.

CVSS Metrics

Group Score Vector
Base 3.8 AV:L/AC:H/Au:S/C:N/I:N/A:C
Temporal 3 E:POC/RL:OF/RC:C
Environmental 2.3 CDP:ND/TD:M/CR:ND/IR:ND/AR:ND



Thanks to Kurt Traver for reporting this vulnerability.

This document was written by Jared Allar.

Other Information

CVE IDs: CVE-2013-0122
Date Public: 2013-04-19
Date First Published: 2013-04-19
Date Last Updated: 2013-04-19 19:11 UTC
Document Revision: 14

Sponsored by CISA.