CVE-2024-27207

Exported broadcast receivers allowing malicious apps to bypass broadcast protection

Critical · published March 11, 2024

CVSS v3.1
9.1
EPSS
0%
Percentile
16.6
In the wild
Unconfirmed
What it is

🚨 Malicious apps could crash your fun party by bypassing broadcast protection—this CVE-2024-27207 is a critical security headache! 🔥 Think of your app as a VIP lounge where only certain guests can enter after showing their invitation. This vulnerability is like a sneaky party crasher who slips past the bouncer without an invite, able to eavesdrop on all the conversations happening inside. If exploited, an attacker could easily hijack the broadcast messages meant for legitimate applications, potentially leading to data leaks or unauthorized actions. This is a security nightmare that could expose sensitive user information or disrupt app functionalities, wreaking absolute havoc.

Put simply

Think of your app as a VIP lounge where only certain guests can enter after showing their invitation. This vulnerability is like a sneaky party crasher who slips past the bouncer without an invite, able to eavesdrop on all the conversations happening inside. This vulnerability allows exported broadcast receivers in Android to be accessed by malicious apps, enabling them to bypass the intended protection mechanisms and listen in on or send broadcasts. Essentially, the built-in security checks are compromised, opening the door for nefarious activities.

What to do

If exploited, an attacker could easily hijack the broadcast messages meant for legitimate applications, potentially leading to data leaks or unauthorized actions. This is a security nightmare that could expose sensitive user information or disrupt app functionalities, wreaking absolute havoc. Immediately review your app's broadcast receivers and ensure that they're not exported unless absolutely necessary. Apply patches or updates provided by Android or your framework to fix this issue and implement stricter permissions for sensitive broadcasts. Regularly audit your app for similar vulnerabilities to stay ahead of potential threats. You've got this! By acting quickly, you can secure your app and protect your users from potential threats. 🛡️

The record
Technical detail
CVSS v3.1
9.1 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.00259 · 16.6th percentile
Published
2024-03-11T18:55Z
EPSS history
Timeline
  • 11 MAR 18:55Z
    Exported broadcast receivers allowing malicious apps to bypass broadcast protection
    cvelistv5