CVE-2014-4657

The safe_eval function in Ansible before 1.5.4 does not properly restrict the code subset, which allows remote attackers to execute arbitrary code via crafted…

published February 20, 2020

CVSS
—
EPSS
4%
Percentile
91.3
In the wild
Unconfirmed
What it is

⚠️ A sneaky gap in Ansible’s safe_eval function could let attackers run arbitrary code! Imagine a chef who doesn’t check the ingredients before whipping up a dish – that’s exactly what’s happening here. 🔥 Think of the safe_eval function like a restaurant that takes in any recipe without verifying its source. If a crafty individual submits a recipe that includes dangerous elements, they could end up serving a toxic dish to unsuspecting customers! If an attacker crafts a malicious instruction, they could wreak havoc, executing arbitrary code on your system. This could lead to unauthorized access, data breaches, or even complete control over your environment – a potentially catastrophic scenario!

Put simply

Think of the safe_eval function like a restaurant that takes in any recipe without verifying its source. If a crafty individual submits a recipe that includes dangerous elements, they could end up serving a toxic dish to unsuspecting customers! The vulnerability stems from the safe_eval function in Ansible (before version 1.5.4) failing to properly restrict the code subset. This oversight allows remote attackers to execute any code they can think of, which should never happen in a secure environment.

What to do

If an attacker crafts a malicious instruction, they could wreak havoc, executing arbitrary code on your system. This could lead to unauthorized access, data breaches, or even complete control over your environment – a potentially catastrophic scenario! Upgrade to Ansible version 1.5.4 or later immediately to patch this vulnerability. Additionally, review your playbooks and ensure strict code validation practices are in place to prevent similar issues in the future. You've got this! Follow the steps to tighten your security, and soon enough, you'll be a security hero! 🦸‍♂️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.04427 · 91.3th percentile
Published
2020-02-20T14:28Z
EPSS history
Timeline
  • 20 FEB 14:28Z
    The safe_eval function in Ansible before 1.5.4 does not properly restrict the code subset, which allows remote attackers to execute arbitrary code via crafted…
    cvelistv5