CVE-2016-3141

Use-after-free vulnerability in wddx.c in the WDDX extension in PHP before 5.5.33 and 5.6.x before 5.6.19 allows remote attackers to cause a denial of service…

published March 31, 2016

CVSS
—
EPSS
36%
Percentile
98.5
In the wild
Unconfirmed
What it is

⚠️ A mischievous call to wddx_deserialize is all it takes to exploit this vulnerability! This use-after-free flaw in PHP's WDDX extension can lead to application crashes. 💥 Think of it like a waiter dropping a tray full of dishes – a poorly timed order can lead to a spectacular mess! In this case, the crafted XML data serves as that messy order, causing serious memory corruption when mishandled. If exploited, this vulnerability can bring your application to its knees, leading to denial of service as it crashes and becomes unresponsive. It’s like a bustling restaurant suddenly shutting its doors because of that single disastrous moment! 😱

Put simply

Think of it like a waiter dropping a tray full of dishes – a poorly timed order can lead to a spectacular mess! In this case, the crafted XML data serves as that messy order, causing serious memory corruption when mishandled. This use-after-free vulnerability occurs when the wddx.c file in PHP mishandles memory during the deserialization of XML data containing a specially crafted var element, potentially leading to application crashes.

What to do

If exploited, this vulnerability can bring your application to its knees, leading to denial of service as it crashes and becomes unresponsive. It’s like a bustling restaurant suddenly shutting its doors because of that single disastrous moment! 😱 To protect your applications, upgrade PHP to versions 5.5.33 or 5.6.19 or later. Regularly audit your code and avoid using untrusted XML to minimize the risk of such vulnerabilities. 🛡️ You’ve got this! Stay vigilant and keep your applications safe and sound! 🚀

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.36009 · 98.5th percentile
Published
2016-03-31T16:00Z
EPSS history
Timeline
  • 31 MAR 16:00Z
    Use-after-free vulnerability in wddx.c in the WDDX extension in PHP before 5.5.33 and 5.6.x before 5.6.19 allows remote attackers to cause a denial of service…
    cvelistv5