[CVE-2019-14783] Arbitrary file create with system-app privilege in Samsung Mobile Android FotaAgent Component

                							

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<h1 class="m-title">[CVE-2019-14783] Arbitrary file create with system-app	privilege in Samsung Mobile Android FotaAgent Component</h1>
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<em>From</em>: "flanker" &lt;i () flanker017 me&gt;


<em>Date</em>: Wed, 25 Sep 2019 21:55:02 +0800


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<pre style="margin: 0em;">[CVE-2019-14783] Arbitrary file create with system-app privilege in Samsung Mobile Android FotaAgent Component


Software:
--------
Samsung Mobile Android FotaAgent Component


Description:
----------
A vulnerability in FotaAgent allows creating privileged files without proper permission from unprivileged process. The 
patch adds proper permission check on FotaAgent to address the vulnerability. This issue is reported to &amp; confirmed and 
patched by Samsung Mobile Security Rewards Program under case ID 101825.


Patched version:
------------
- Samsung Mobile Android N(7.x), O(8.x), P(9.0) with SMR-AUG-2019 patch level and after


Impact:
-------
A successful local attack can create arbitrary file with system privilege.


Solution:
---------
Update the device to at lease SMR-AUG-2019 patch level.


Credit:
-------
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.


------------------
Sincerely
Qidan (a.k.a Flanker)

Website: <a rel="nofollow" href="https://blog.flanker017.me">https://blog.flanker017.me</a>

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<h3 class="m-thread">Current thread:</h3>
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<li><strong>[CVE-2019-14783] Arbitrary file create with system-app	privilege in Samsung Mobile Android FotaAgent Component</strong> <em>flanker (Sep 25)</em>
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