CVE-2014-4172

A URL parameter injection vulnerability was found in the back-channel ticket validation step of the CAS protocol in Jasig Java CAS Client before 3.3.2, .NET…

published January 24, 2020

CVSS
—
EPSS
6%
Percentile
93.3
In the wild
Unconfirmed
What it is

⚠️ A sneaky URL parameter injection in the CAS protocol could let attackers slip in some crafty scripts! This vulnerability affects Java, .NET, and phpCAS clients before specified versions. 😱 Imagine a sneaky delivery driver who adds extra items to your package order without checking your receipt — that’s what this vulnerability does with web scripts! It allows attackers to inject their own malicious content right into the ticket validation process, completely bypassing security checks. If exploited, an attacker could inject arbitrary web scripts or HTML that might manipulate users or steal sensitive information. It’s like serving a meal that looks delightful on the outside but is actually laced with harmful ingredients—yikes!

Put simply

Imagine a sneaky delivery driver who adds extra items to your package order without checking your receipt — that’s what this vulnerability does with web scripts! It allows attackers to inject their own malicious content right into the ticket validation process, completely bypassing security checks. This vulnerability exists due to improper validation of the 'service' and 'pgtUrl' parameters in the CAS protocol, allowing attackers to craft malicious URLs that execute unauthorized scripts during ticket validation.

What to do

If exploited, an attacker could inject arbitrary web scripts or HTML that might manipulate users or steal sensitive information. It’s like serving a meal that looks delightful on the outside but is actually laced with harmful ingredients—yikes! Upgrade to Java CAS Client version 3.3.2, .NET CAS Client version 1.0.2, or phpCAS version 1.3.3 to patch this vulnerability. Additionally, consider implementing strict input validation to fortify against such injections. 🛡️ You've got this! Stay vigilant with these updates, and you'll keep your environment safe and sound! 💪✨

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.06057 · 93.3th percentile
Published
2020-01-24T18:29Z
EPSS history
Timeline
  • 24 JAN 18:29Z
    A URL parameter injection vulnerability was found in the back-channel ticket validation step of the CAS protocol in Jasig Java CAS Client before 3.3.2, .NET…
    cvelistv5