CVE-2018-15531

JavaMelody before 1.74.0 has XXE via parseSoapMethodName in bull/javamelody/PayloadNameRequestWrapper.java

published September 26, 2018

CVSS
—
EPSS
28%
Percentile
98.1
In the wild
Unconfirmed
What it is

⚠️ A sneaky XML External Entity (XXE) vulnerability is lurking in JavaMelody versions before 1.74.0, specifically through the parseSoapMethodName! 📦 Think of this like a delivery service that doesn't check the contents of packages. If an attacker sends a cleverly crafted XML, they could instruct the server to fetch sensitive files from within its internal network, bypassing normal security checks. This could lead to unauthorized access to sensitive information on the server, potentially exposing files that could contain critical data. While this vulnerability isn't widely exploited yet, the risk of data leakage remains real and concerning!

Put simply

Think of this like a delivery service that doesn't check the contents of packages. If an attacker sends a cleverly crafted XML, they could instruct the server to fetch sensitive files from within its internal network, bypassing normal security checks. The XXE vulnerability arises when untrusted XML input is processed without proper validation, enabling attackers to access local files or even execute commands on the server if not properly secured.

What to do

This could lead to unauthorized access to sensitive information on the server, potentially exposing files that could contain critical data. While this vulnerability isn't widely exploited yet, the risk of data leakage remains real and concerning! To mitigate this risk, upgrade your JavaMelody to version 1.74.0 or later. Additionally, ensure that XML parsers are configured to disable access to external entities and perform thorough input validation. You've got this! With a quick update, you’ll strengthen your defenses and keep your server safe! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.27873 · 98.1th percentile
Published
2018-09-26T22:00Z
EPSS history
Timeline
  • 26 SEP 22:00Z
    JavaMelody before 1.74.0 has XXE via parseSoapMethodName in bull/javamelody/PayloadNameRequestWrapper.java
    cvelistv5