CVE-2019-18624

CRITICAL EPSS 69.2%
Published Oct 29, 20196y ago · Modified Jun 17, 20262w ago
9.8 CVSS 3.1
Critical
Find Similar
Published Oct 29, 2019 6y ago
Last Modified Jun 17, 2026 2w ago

Description

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.

CVSS Details

Base Score
9.8
Exploitability
3.9
Impact
5.9
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

EPSS Exploit Probability
69.2% percentile
Exploit & Patch Status
Public Exploit Known
No Patch Available

Affected Products 3

VendorProductVersionRange
operamini44.1.2254.142553any
operamini44.1.2254.142659any
operamini44.1.2254.143214any

References 2

  • firstsight.me http://firstsight.me/2019/10/illegal-rendered-at-download-feature-in-several-apps-including-opera-mini-that-lead-to-extension-manipulation-with-rtlo/
    ExploitThird Party Advisory
  • medium.com https://medium.com/%40YoKoKho/illegal-rendered-at-download-feature-in-opera-mini-that-lead-to-extension-manipulation-with-rtlo-685bf2d77d51

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.