CVE-2020-8180CWE-94

A too lax check in Nextcloud Talk 6.0.4, 7.0.2 and 8.0.7 allowed a code injection when a not correctly sanitized talk command was added by an administrator

published June 8, 2020

CVSS
—
EPSS
2%
Percentile
76.6
In the wild
Unconfirmed
What it is

⚠️ A lax check in Nextcloud Talk could let an admin accidentally invite chaos! This flaw in versions 6.0.4, 7.0.2, and 8.0.7 allows code injection through poorly sanitized commands. 🛠️ Think of it like a restaurant where the chef decides to take custom orders without checking the ingredients — one wrong item could ruin the entire dish! Here, a careless command can lead to a recipe for disaster in your system. An attacker could exploit this vulnerability to run arbitrary code, potentially compromising the application and leading to unauthorized access or data manipulation. The consequences could range from data leaks to complete system takeover, affecting your organization's integrity.

Put simply

Think of it like a restaurant where the chef decides to take custom orders without checking the ingredients — one wrong item could ruin the entire dish! Here, a careless command can lead to a recipe for disaster in your system. This vulnerability arises from insufficient input validation in Nextcloud Talk, allowing administrators to inadvertently inject malicious code via unsanitized talk commands. This could allow attackers to execute arbitrary commands on the server.

What to do

An attacker could exploit this vulnerability to run arbitrary code, potentially compromising the application and leading to unauthorized access or data manipulation. The consequences could range from data leaks to complete system takeover, affecting your organization's integrity. To mitigate this issue, update Nextcloud Talk to the latest version immediately. Review and sanitize all commands thoroughly before submission to ensure no harmful code can slip in. Regularly audit your configurations to catch such vulnerabilities early. You've got this! With a few updates, you'll keep your Nextcloud secure and ready for safe conversations. 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.01668 · 76.6th percentile
Weakness
CWE-94 · Improper Control of Generation of Code ('Code Injection')
Published
2020-06-08T13:08Z
EPSS history
Timeline
  • 08 JUN 13:08Z
    A too lax check in Nextcloud Talk 6.0.4, 7.0.2 and 8.0.7 allowed a code injection when a not correctly sanitized talk command was added by an administrator
    cvelistv5