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Date: Wed, 23 Jan 2019 00:47:54 +0100
From: Valerio Brussani <valeriobrussani@...il.com>
To: bugtraq@...urityfocus.com
Subject: CVE-2018-13042 - 1Password Android < 7.0 - Denial Of Service

############
Description
############

The 1Password application < 7.0 for Android is affected by a Denial Of
Service vulnerability. By starting the activity
com.agilebits.onepassword.filling.openyolo.OpenYoloDeleteActivity or
com.agilebits.onepassword.filling.openyolo.OpenYoloRetrieveActivity from an
external application (since they are exported), it is possible to crash the
1Password instance.

############
Poc
############

To invoke the exported activity and crash the app, it is possible
to use Drozer:

run app.activity.start --component com.agilebits.onepassword
com.agilebits.onepassword.filling.openyolo.OpenYoloDeleteActivity

############
Affected Components
############

com.agilebits.onepassword.filling.openyolo.OpenYoloDeleteActivity
com.agilebits.onepassword.filling.openyolo.OpenYoloRetrieveActivity

############
Disclosure timeline
############

2018-07-27 Contacting 1Password

2018-07-30 1Password acknowledges the vulnerability

2018-08-22 The vulnerability is fixed and made public



Valerio Brussani (@val_brux)

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