CVE-2004-1018

Multiple integer handling errors in PHP before 4.3.10 allow attackers to bypass safe mode restrictions, cause a denial of service, or execute arbitrary code…

published December 8, 2004

CVSS
—
EPSS
16%
Percentile
96.9
In the wild
Unconfirmed
What it is

⚠️ A sneaky integer mishap in PHP could allow a crafty attacker to bypass safe mode restrictions — think of it as a chef mixing ingredients without checking the recipe!🍳 Imagine a restaurant where the chef is allowed to make any dish without confirming the ingredients are safe. That’s what can happen here; an attacker can exploit improper integer handling to serve their malicious code instead of the intended dish! An attacker could wield this vulnerability to execute arbitrary code, potentially hijacking the server’s functionality or causing a denial of service. This could lead to catastrophic outages or unauthorized access, leaving your web applications vulnerable and your users in the lurch!

Put simply

Imagine a restaurant where the chef is allowed to make any dish without confirming the ingredients are safe. That’s what can happen here; an attacker can exploit improper integer handling to serve their malicious code instead of the intended dish! This vulnerability arises from multiple integer handling errors in PHP versions prior to 4.3.10, allowing for actions such as writing to shared memory with negative offsets and causing integer overflow/underflow issues in pack and unpack functions.

What to do

An attacker could wield this vulnerability to execute arbitrary code, potentially hijacking the server’s functionality or causing a denial of service. This could lead to catastrophic outages or unauthorized access, leaving your web applications vulnerable and your users in the lurch! To secure your applications, upgrade to PHP version 4.3.10 or later immediately. Additionally, assess your code for reliance on outdated PHP functions that could expose you to similar issues in the future. You've got this! By taking these steps, you’ll fortify your defenses and keep your applications safe. 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.16160 · 96.9th percentile
Published
2004-12-08T05:00Z
EPSS history
Timeline
  • 08 DEC 05:00Z
    Multiple integer handling errors in PHP before 4.3.10 allow attackers to bypass safe mode restrictions, cause a denial of service, or execute arbitrary code…
    cvelistv5