CVE-2024-8932 is a critical vulnerability affecting PHP versions 8.1.* before 8.1.31, 8.2.* before 8.2.26, and 8.3.* before 8.3.14. Specifically, this vulnerability allows uncontrolled long string inputs to the ldap_escape() function on 32-bit systems, which can lead to an integer overflow, resulting in an out-of-bounds write. This flaw is particularly concerning given its high CVSS score of 9.8, indicating a critical severity level.
The risk to organizations includes potential unauthorized access and manipulation of data, which could have severe implications for the integrity and availability of systems that utilize the affected PHP versions. Organizations should prioritize patching immediately to mitigate this risk.
As of now, there are no known public exploits, but the nature of the vulnerability suggests that it could be targeted by attackers seeking to compromise systems running vulnerable PHP versions.
Organizations utilizing PHP should ensure they are running the latest patched versions to safeguard against this vulnerability. Continuous monitoring and vulnerability management practices should be in place to detect and respond to potential threats.
Vulnerability Details
The official CVE description states: '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.'
This vulnerability is classified under CWE-787: Out-of-bounds Write. The CVSS score of 9.8 indicates critical severity, highlighting the urgent need for remediation. The affected products include both PHP and NetApp's ONTAP. The vulnerability was published on November 22, 2024.
Technical Analysis
The root cause of CVE-2024-8932 stems from improper handling of long string inputs in the ldap_escape() function. The attack vector is network-based, which means that an attacker can exploit this vulnerability remotely. The attack complexity is considered low, with no privileges required and no user interaction necessary.
Exploitation of this vulnerability could lead to high confidentiality, integrity, and availability impacts, as unauthorized writes could corrupt data and disrupt services.
Risk & Impact Analysis
The real-world deployment risk associated with this vulnerability is significant, particularly for organizations that rely heavily on PHP for web applications. The potential blast radius is extensive, affecting any system that utilizes the vulnerable versions of PHP.
Given the critical CVSS score of 9.8, organizations should address this vulnerability in their priority patch cycle. The lack of known exploits does not diminish the urgency of remediation, as the vulnerability's nature indicates it could be exploited if not addressed.
Signal | Status |
|---|---|
Known Exploit | No |
Public PoC | No |
Actively Exploited | No |
Ransomware Use | No |
Affected Versions
The affected versions include PHP 8.1.* prior to 8.1.31, PHP 8.2.* prior to 8.2.26, and PHP 8.3.* prior to 8.3.14. Additionally, NetApp's ONTAP 9.* is also impacted. Organizations using these versions should upgrade to the latest patched versions to mitigate risk.
Mitigation & Remediation
Organizations should prioritize patching affected PHP versions. The recommended versions to upgrade to are PHP 8.1.31, 8.2.26, or 8.3.14 or later. If immediate patching is not possible, implementing input validation to restrict string lengths and hardening configurations can help mitigate risks.
For comprehensive security assessments, organizations may consider penetration testing to identify any other vulnerabilities within their applications.
Detection Guidance
Monitoring logs for anomalies related to ldap_escape() function calls can provide indications of attempts to exploit this vulnerability. Look for unusual input sizes and patterns that deviate from typical usage.
AppSecure Threat Intelligence Insight
CVE-2024-8932 represents a significant vulnerability in widely used PHP versions, highlighting the importance of input validation and secure coding practices. This incident underscores the ongoing threat posed by vulnerabilities in popular software components.
Security teams should enhance their security posture by implementing robust testing methodologies, such as penetration testing methodologies, to identify and remediate vulnerabilities before they can be exploited.
Additionally, organizations should consider establishing a vulnerability management program to systematically address security weaknesses in their applications.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
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