[CVE-2019-14783] Arbitrary file create with system-app privilege in Samsung Mobile Android FotaAgent Component
Software:
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Samsung Mobile Android FotaAgent Component
Description:
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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 & confirmed and patched by Samsung Mobile Security Rewards Program under case ID 101825.
Patched version:
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- Samsung Mobile Android N(7.x), O(8.x), P(9.0) with SMR-AUG-2019 patch level and after
Impact:
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A successful local attack can create arbitrary file with system privilege.
Solution:
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Update the device to at lease SMR-AUG-2019 patch level.
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