CVE-2019-15423 — The Bluboo Bluboo_S1 Android device with a build fingerprint of BLUBOO/Bluboo_S1

The Bluboo Bluboo_S1 Android device with a build fingerprint of BLUBOO/Bluboo_S1/Bluboo_S1:7.0/NRD90M/1495809471:user/release-keys contains a pre-installed app with a package name of com.mediatek.factorymode app (versionCode=1, versionName=1) that allows unauthorized wireless set

01What is this vulnerability?

The Bluboo Bluboo_S1 Android device with a build fingerprint of BLUBOO/Bluboo_S1/Bluboo_S1:7.0/NRD90M/1495809471:user/release-keys contains a pre-installed app with a package name of com.mediatek.factorymode app (versionCode=1, versionName=1) that allows unauthorized wireless settings modification via a confused deputy attack. This capability can be accessed by any app co-located on the device.

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

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: 2019-11-14T16:26:36.000Z
• Last modified: 2024-08-05T00:49:12.853Z

09References

• www.kryptowire.com — https://www.kryptowire.com/android-firmware-2019/