CVE-2019-19899

Pebble Templates 3.1.2 allows attackers to bypass a protection mechanism (intended to block access to instances of java.lang.Class) because getClass is…

published December 18, 2019

CVSS
—
EPSS
1%
Percentile
69.7
In the wild
Unconfirmed
What it is

⚠️ A crafty bypass is hiding in Pebble Templates 3.1.2! This vulnerability lets attackers access restricted Java classes without breaking a sweat. 😱 Think of it like a hotel with a secret backdoor that some guests have discovered. They can waltz in and access VIP areas that should be off-limits, all because someone forgot to lock that door tight! If exploited, an attacker could potentially gain access to sensitive information and manipulate the application’s behavior, leading to unauthorized actions that could compromise the entire system. This could be a surprisingly sneaky route to a larger breach!

Put simply

Think of it like a hotel with a secret backdoor that some guests have discovered. They can waltz in and access VIP areas that should be off-limits, all because someone forgot to lock that door tight! The vulnerability allows attackers to bypass a security mechanism by leveraging the public static method `java.lang.Class.forName(java.lang.Module, java.lang.String)`, granting access to instances of `java.lang.Class` that were intended to be protected.

What to do

If exploited, an attacker could potentially gain access to sensitive information and manipulate the application’s behavior, leading to unauthorized actions that could compromise the entire system. This could be a surprisingly sneaky route to a larger breach! To protect your application, upgrade to the latest version of Pebble Templates and review your access controls to ensure that sensitive classes are properly protected. Regular security audits and code reviews can also help catch similar issues early! This is fixable! Take action now, and you'll have your defenses up in no time! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.01277 · 69.7th percentile
Published
2019-12-18T23:24Z
EPSS history
Timeline
  • 18 DEC 23:24Z
    Pebble Templates 3.1.2 allows attackers to bypass a protection mechanism (intended to block access to instances of java.lang.Class) because getClass is…
    cvelistv5