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…

published October 29, 2019

CVSS
—
EPSS
1%
Percentile
72.4
In the wild
Unconfirmed
What it is

⚠️ A sneaky RTLO technique lets attackers pull a fast one! They can disguise malicious .apk files as innocent text files on Opera Mini for Android — it's like trying to sneak a pizza into a movie theater under the guise of a program brochure! 🍕 Think of it like a clever magician who switches your movie tickets with something that looks legit, but is really a ticket to chaos. The RTLO trick allows malicious files to masquerade as harmless ones, making it easy for the unsuspecting to fall for the illusion. If exploited, an attacker could trick users into downloading harmful applications that could compromise their security. This means there’s potential for data theft, unauthorized access to sensitive information, or even control over the device. This could lead to an absolute nightmare for affected users! 😱

Put simply

Think of it like a clever magician who switches your movie tickets with something that looks legit, but is really a ticket to chaos. The RTLO trick allows malicious files to masquerade as harmless ones, making it easy for the unsuspecting to fall for the illusion. The vulnerability in Opera Mini for Android involves the misinterpretation of file names due to the RTLO approach. This allows attackers to bypass restrictions on .apk file downloads, disguising malicious applications as benign text files.

What to do

If exploited, an attacker could trick users into downloading harmful applications that could compromise their security. This means there’s potential for data theft, unauthorized access to sensitive information, or even control over the device. This could lead to an absolute nightmare for affected users! 😱 To mitigate this vulnerability, users should ensure that they update Opera Mini to a version beyond 44.1.2254.143214. Additionally, educate users about the risks of downloading files from untrusted sources and enable settings that restrict installation of applications from unknown sources. 🛡️ You’ve got this! Stay vigilant, keep your apps updated, and together we’ll keep the internet safe! 💪✨

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.01407 · 72.4th percentile
Published
2019-10-29T17:12Z
EPSS history
Timeline
  • 29 OCT 17:12Z
    Opera Mini for Android allows attackers to bypass intended restrictions on .apk file download/installation via an RTLO (aka Right to Left Override) approach…
    cvelistv5