[CVE-2019-16253] Privilege Escalation in Samsung Mobile Android SamsungTTS Component


Software:
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Samsung Text-to-speech Engine System Component on Android


Description:
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The Text-to-speech Engine (aka SamsungTTS) before 3.0.02.7/3.0.00.101 for Android allows a local attacker to escalate privilege, e.g., to system privilege. This issue is reported to & confirmed and patched by Samsung Mobile Security Rewards Program under case ID 101755.



Patched version:
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- Android N,O or older : 3.0.00.101 
- Android P : 3.0.02.7



Impact:
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A successful local attack can obtain system privilege on vulnerable phones.


Solution:
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Update the TTS component via Galaxy AppStore to newest version or versions later than patched versions listed above.


Credit:
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Discovered by Qidan He (a.k.a Edward Flanker, @flanker_hqd). Detailed about this vulnerability will be released shortly after confirmation from Samsung Mobile for responsible disclosure.


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Sincerely
Qidan (a.k.a Flanker)
Website: https://blog.flanker017.me