1Password Android < 7.0 - Denial Of Service

2018.10.24
it Valerio Brussani (IT) it
Risk: Low
Local: Yes
Remote: No
CVE: CVE-2018-13042
CWE: CWE-20


CVSS Base Score: 4.3/10
Impact Subscore: 2.9/10
Exploitability Subscore: 8.6/10
Exploit range: Remote
Attack complexity: Medium
Authentication: No required
Confidentiality impact: None
Integrity impact: None
Availability impact: Partial

############ 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)

References:

https://cve.mitre.org/cgi-bin/cvename.cgi?name=2018-13042


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