CVE-2017-20166

Ecto 2.2.0 lacks a certain protection mechanism associated with the interaction between is_nil and raise

Critical · published January 10, 2023

CVSS v3.1
9.8
EPSS
1%
Percentile
69.6
In the wild
Unconfirmed
What it is

🔥 A critical flaw in Ecto 2.2.0 could make your app go *poof* if it encounters unexpected nil values! 💥 Think of it as a safety net in a circus. Without it, the acrobat (your application) could fall into chaos if something goes wrong—like a missing trampoline during a daring stunt. 🏋️‍♂️ An attacker could exploit this vulnerability to raise exceptions in unexpected situations, leading to service crashes or unhandled errors. This means your application could suddenly stop functioning, leaving users in the lurch and potentially exposing sensitive data. Absolutely devastating!

Put simply

Think of it as a safety net in a circus. Without it, the acrobat (your application) could fall into chaos if something goes wrong—like a missing trampoline during a daring stunt. 🏋️‍♂️ This vulnerability arises because Ecto 2.2.0 lacks a protection mechanism in the interaction between `is_nil` and `raise`, allowing unanticipated exceptions to disrupt normal application flow.

What to do

An attacker could exploit this vulnerability to raise exceptions in unexpected situations, leading to service crashes or unhandled errors. This means your application could suddenly stop functioning, leaving users in the lurch and potentially exposing sensitive data. Absolutely devastating! To safeguard against this vulnerability, upgrade Ecto to version 2.2.1 or later, where this issue is addressed. Ensure thorough testing of your applications after the upgrade to catch any unexpected behaviors. Don't forget to monitor your logs for any anomalies! You've got this! Follow these steps, and your app will be safer in no time. 🛡️

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.01279 · 69.6th percentile
Published
2023-01-10T00:00Z
EPSS history
Timeline
  • 10 JAN 00:00Z
    Ecto 2.2.0 lacks a certain protection mechanism associated with the interaction between is_nil and raise
    cvelistv5