CVE-2018-15506

In BubbleUPnP 0.9 update 30, the XML parsing engine for SSDP/UPnP functionality is vulnerable to an XML External Entity Processing (XXE) attack

published June 19, 2019

CVSS
—
EPSS
5%
Percentile
91.8
In the wild
Unconfirmed
What it is

🚨 An XML External Entity (XXE) flaw in BubbleUPnP could let attackers read any file they want, with the same permissions as the BubbleUPnP service! ⚡ Think of it like a delivery service that opens any package without checking the contents first—if they receive a letter that says 'deliver this to my house,' they might hand over your sensitive documents without a second thought! An attacker can exploit this vulnerability to access arbitrary files on the filesystem, exposing sensitive information, and even initiate SMB connections to capture or relay credentials. This could lead to a devastating breach where they gain remote command execution in Windows domains, putting your entire network at risk!

Put simply

Think of it like a delivery service that opens any package without checking the contents first—if they receive a letter that says 'deliver this to my house,' they might hand over your sensitive documents without a second thought! In BubbleUPnP 0.9 update 30, the XML parsing engine allows remote, unauthenticated attackers to exploit XXE to access local files or relay credentials via SMB connections, jeopardizing the system's integrity.

What to do

An attacker can exploit this vulnerability to access arbitrary files on the filesystem, exposing sensitive information, and even initiate SMB connections to capture or relay credentials. This could lead to a devastating breach where they gain remote command execution in Windows domains, putting your entire network at risk! To protect yourself, upgrade BubbleUPnP to a patched version immediately. Consider disabling XML external entity processing if possible, and audit your system for any suspicious activity related to SMB connections. You've got this! With these steps, you can lock down your system and keep those pesky attackers at bay! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.04704 · 91.8th percentile
Published
2019-06-19T16:13Z
EPSS history
Timeline
  • 19 JUN 16:13Z
    In BubbleUPnP 0.9 update 30, the XML parsing engine for SSDP/UPnP functionality is vulnerable to an XML External Entity Processing (XXE) attack
    cvelistv5