CVE-2024-37388

An XML External Entity (XXE) vulnerability in the ebookmeta.get_metadata function of lxml before v4.9.1 allows attackers to access sensitive information or…

Critical · published June 7, 2024

CVSS v3.1
9.1
EPSS
1%
Percentile
44.4
In the wild
Unconfirmed
What it is

🚨 An XML External Entity (XXE) vulnerability in lxml can expose sensitive information faster than you can say "data breach!" 🔥 Think of this like a postal service that automatically opens and reads every letter sent to them, allowing anyone to slip in a crafted message that could reveal confidential information or disrupt service altogether. An attacker could exploit this vulnerability to access sensitive data, potentially leading to dire consequences like data leaks or service outages. It's absolutely devastating when all your confidential info is laid bare because of a single mishandled XML input!

Put simply

Think of this like a postal service that automatically opens and reads every letter sent to them, allowing anyone to slip in a crafted message that could reveal confidential information or disrupt service altogether. This XXE vulnerability in the ebookmeta.get_metadata function allows maliciously crafted XML to access sensitive information or trigger a Denial of Service. In simpler terms, the parser fails to properly handle external entities, letting attackers manipulate data flow.

What to do

An attacker could exploit this vulnerability to access sensitive data, potentially leading to dire consequences like data leaks or service outages. It's absolutely devastating when all your confidential info is laid bare because of a single mishandled XML input! Update to lxml version 4.9.1 or later immediately to close this critical vulnerability. Additionally, ensure that external entity processing is disabled to enhance security further. You've got this! Follow these steps, and you'll have your defenses fortified in no time. 🛡️

The record
Technical detail
CVSS v3.1
9.1 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00536 · 44.4th percentile
Published
2024-06-07T00:00Z
EPSS history
Timeline
  • 07 JUN 00:00Z
    An XML External Entity (XXE) vulnerability in the ebookmeta.get_metadata function of lxml before v4.9.1 allows attackers to access sensitive information or…
    cvelistv5