Executive Summary

Summary
Title avast! Mobile Security Android application denial-of-service vulnerability
Informations
Name VU#131263 First vendor Publication 2013-04-19
Vendor VU-CERT Last vendor Modification 2013-04-19
Severity (Vendor) N/A Revision M

Security-Database Scoring CVSS v3

Cvss vector : N/A
Overall CVSS Score NA
Base Score NA Environmental Score NA
impact SubScore NA Temporal Score NA
Exploitabality Sub Score NA
 
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:L/AC:M/Au:N/C:N/I:N/A:P)
Cvss Base Score 1.9 Attack Range Local
Cvss Impact Score 2.9 Attack Complexity Medium
Cvss Expoit Score 3.4 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

Vulnerability Note VU#131263

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

Original Release date: 19 Apr 2013 | Last revised: 19 Apr 2013

Overview

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

Description

avast! Mobile Security (version 2.0.3587) crashes if an Intent is sent to com.avast.android.mobilesecurity.app.scanner.DeleteFileActivity 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 com.avast.android.mobilesecurity (pid 6596) has died.”

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

Impact

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

Solution

Apply an Update

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

Vendor Information (Learn More)

VendorStatusDate NotifiedDate Updated
Avast! Antivirus SoftwareAffected22 Mar 201316 Apr 2013
If you are a vendor and your product is affected, let us know.

CVSS Metrics (Learn More)

GroupScoreVector
Base3.8AV:L/AC:H/Au:S/C:N/I:N/A:C
Temporal3.0E:POC/RL:OF/RC:C
Environmental2.3CDP:ND/TD:M/CR:ND/IR:ND/AR:ND

References

  • https://play.google.com/store/apps/details?id=com.avast.android.mobilesecurity

Credit

Thanks to Kurt Traver for reporting this vulnerability.

This document was written by Jared Allar.

Other Information

  • CVE IDs:CVE-2013-0122
  • Date Public:19 Apr 2013
  • Date First Published:19 Apr 2013
  • Date Last Updated:19 Apr 2013
  • Document Revision:13

Feedback

If you have feedback, comments, or additional information about this vulnerability, please send us email.

Original Source

Url : http://www.kb.cert.org/vuls/id/131263

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-20 Improper Input Validation

Alert History

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0
1
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Date Informations
2013-05-16 17:18:12
  • Multiple Updates
2013-05-11 05:18:21
  • Multiple Updates
2013-04-22 21:20:28
  • Multiple Updates
2013-04-22 13:20:24
  • Multiple Updates
2013-04-20 00:18:36
  • First insertion