CVE-2019-2215KEV · OVERDUE

Android Kernel Use-After-Free Vulnerability

High · published October 11, 2019

Patch now

Confirmed exploited, and the score agrees

CVSS calls it high at 7.8. It is confirmed in active exploitation. It sits in the 99.4th percentile for exploit probability.

1634
days past CISA
deadline
CVSS v3.1
7.8
EPSS
72%
Percentile
99.4
In the wild
Confirmed
What it is

🚨 A sneaky use-after-free flaw in Android's binder.c could let intruders elevate their privileges in the Linux Kernel without breaking a sweat! 🔥 Think of it like a hotel room where the cleaning crew accidentally leaves a key behind. An unauthorized guest can waltz in and access private areas without ever having to check in. That's how this vulnerability works — no user interaction needed, just a malicious app lurking in the shadows. If exploited, this vulnerability allows an attacker to gain full control over the device, potentially compromising sensitive data, installing malicious software, or even taking over the entire system. It's like giving a thief the master key to your home, allowing them to roam freely and wreak havoc!

Put simply

Think of it like a hotel room where the cleaning crew accidentally leaves a key behind. An unauthorized guest can waltz in and access private areas without ever having to check in. That's how this vulnerability works — no user interaction needed, just a malicious app lurking in the shadows. CVE-2019-2215 is a use-after-free vulnerability in the Android binder driver, enabling an attacker to execute arbitrary code in the kernel space, effectively elevating their privileges from an application to the Linux Kernel without user interaction.

What to do

If exploited, this vulnerability allows an attacker to gain full control over the device, potentially compromising sensitive data, installing malicious software, or even taking over the entire system. It's like giving a thief the master key to your home, allowing them to roam freely and wreak havoc! To mitigate this risk, ensure your device is updated to the latest Android version that contains the security patch. Additionally, avoid installing apps from untrusted sources to minimize exposure to malicious applications. Regularly monitor for updates and security advisories! You've got this! Stay proactive, and with these steps, you'll keep your device secure and sound! 🛡️

The record
Technical detail
CVSS v3.1
7.8 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.72105 · 99.4th percentile
Published
2019-10-11T18:16Z
KEV added
2021-11-03 · due 2022-05-03
EPSS history
Timeline
  • 24 AUG 23:36Z
    EPSS moved 44% → 72%
    epss
  • 03 NOV 00:00Z
    Added to CISA KEV — remediate by May 3
    kev
  • 11 OCT 18:16Z
    A use-after-free in binder.c allows an elevation of privilege from an application to the Linux Kernel
    cvelistv5