CVE-2019-2043 — In SmsDefaultDialog

In SmsDefaultDialog.onStart of SmsDefaultDialog.java, there is a possible escalation of privilege due to an overlay attack. This could lead to local escalation of privilege, granting privileges to a local app without the user's informed consent, with no additional privileges

01What is this vulnerability?

In SmsDefaultDialog.onStart of SmsDefaultDialog.java, there is a possible escalation of privilege due to an overlay attack. This could lead to local escalation of privilege, granting privileges to a local app without the user's informed consent, with no additional privileges needed. User interaction is needed for exploitation. Product: Android Versions: Android-7.0 Android-7.1.1 Android-7.1.2…

02Affected products

Vendor	Product	Versions
n	a / Android	Android-7.0 Android-7.1.1 Android-7.1.2 Android-8.0 Android-8.1 Android-9

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2019-05-08T16:22:06.000Z
• Last modified: 2024-08-04T18:35:52.463Z

09References

• source.android.com — https://source.android.com/security/bulletin/2019-05-01
• www.securityfocus.com — http://www.securityfocus.com/bid/108240