CVE-2019-18624

Opera Mini for Android allows attackers to bypass intended restrictions on .apk file download/installation via an RTLO (aka Right to Left Override) approach, as demonstrated by misinterpretation of malicious%E2%80%AEtxt.apk as maliciouskpa.txt. This affects 44.1.2254.142553, 44.1.2254.142659, and 44.1.2254.143214.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
mitreCNA
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CVEADP
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Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: 43%
References
http://firstsight.me/2019/10/illegal-rendered-at-download-feature-in-several-apps-including-opera-mini-that-lead-to-extension-manipulation-with-rtlo/
https://medium.com/%40YoKoKho/illegal-rendered-at-download-feature-in-opera-mini-that-lead-to-extension-manipulation-with-rtlo-685bf2d77d51
http://firstsight.me/2019/10/illegal-rendered-at-download-feature-in-several-apps-including-opera-mini-that-lead-to-extension-manipulation-with-rtlo/
https://medium.com/%40YoKoKho/illegal-rendered-at-download-feature-in-opera-mini-that-lead-to-extension-manipulation-with-rtlo-685bf2d77d51