PHP ldap_escape() Integer Overflow Vulnerability on 32-bit Systems
CVE-2024-11236 Published on November 24, 2024

Integer overflow in the firebird and dblib quoters causing OOB writes
In PHP versions 8.1.* before 8.1.31, 8.2.* before 8.2.26, 8.3.* before 8.3.14, uncontrolled long string inputs to ldap_escape() function on 32-bit systems can cause an integer overflow, resulting in an out-of-bounds write.

NVD

Vulnerability Analysis

CVE-2024-11236 is exploitable with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be critical as this vulnerability has a high impact to the confidentiality, integrity and availability of this component.

Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
NONE
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
HIGH
Availability Impact:
HIGH

Weakness Type

What is a Memory Corruption Vulnerability?

The software writes data past the end, or before the beginning, of the intended buffer. Typically, this can result in corruption of data, a crash, or code execution. The software may modify an index or perform pointer arithmetic that references a memory location that is outside of the boundaries of the buffer. A subsequent write operation then produces undefined or unexpected results.

CVE-2024-11236 has been classified to as a Memory Corruption vulnerability or weakness.


Products Associated with CVE-2024-11236

You can be notified by email with stack.watch whenever vulnerabilities like CVE-2024-11236 are published in these products:

PHP
 
Canonical Ubuntu Linux
 
Oracle
 
Phpgroup Php
 

Affected Versions

PHP Group PHP: php_group php: php_group php: php_group php:

Exploit Probability

EPSS
0.33%
Percentile
55.16%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.