CVE-2021-40323

Cobbler before 3.3.0 allows log poisoning, and resultant Remote Code Execution, via an XMLRPC method that logs to the logfile for template injection

published October 4, 2021

Patch now

High probability of exploitation

NVD has not assigned a CVSS score to this record. It sits in the 99.7th percentile for exploit probability.

CVSS
—
EPSS
87%
Percentile
99.7
In the wild
Unconfirmed
What it is

⚠️ A sneaky log poisoning vulnerability lurks in Cobbler before version 3.3.0, allowing for remote code execution via XMLRPC. 🚨 Think of it like a restaurant where a prankster gets to write the daily special on the chalkboard. If the kitchen trusts that message without checking, they might whip up something dangerous instead of a delicious meal! An attacker could exploit this flaw to execute arbitrary code on the server, potentially taking over complete control. This means they could manipulate configurations, deploy malicious software, or even leak sensitive data, wreaking havoc on your systems!

Put simply

Think of it like a restaurant where a prankster gets to write the daily special on the chalkboard. If the kitchen trusts that message without checking, they might whip up something dangerous instead of a delicious meal! CVE-2021-40323 is a log poisoning vulnerability in Cobbler that allows an attacker to inject crafted XML into log messages. This can lead to remote code execution if the server processes these logs without proper validation.

What to do

An attacker could exploit this flaw to execute arbitrary code on the server, potentially taking over complete control. This means they could manipulate configurations, deploy malicious software, or even leak sensitive data, wreaking havoc on your systems! To mitigate this risk, upgrade Cobbler to version 3.3.0 or later immediately. Also, review your logging configurations to ensure that no unvalidated input is logged. Regularly audit and monitor logs to catch any abnormalities! You've got this! By taking these steps, you'll keep your systems secure and running smoothly! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.86829 · 99.7th percentile
Published
2021-10-04T05:37Z
EPSS history
Timeline
  • 04 OCT 05:37Z
    Cobbler before 3.3.0 allows log poisoning, and resultant Remote Code Execution, via an XMLRPC method that logs to the logfile for template injection
    cvelistv5