CVE-2021-27624 : Exploit Details and Defense Strategies

A detailed analysis of CVE-2021-27624 highlighting the vulnerability in SAP Internet Graphics Service and its impact.

Understanding CVE-2021-27624

In this section, we will delve into the specifics of CVE-2021-27624.

What is CVE-2021-27624?

The CVE-2021-27624 vulnerability exists in SAP Internet Graphics Service versions 7.20, 7.20EXT, 7.53, 7.20_EX2, 7.81. It allows an unauthenticated attacker to trigger a memory corruption error via a malicious IGS request, causing system crashes.

The Impact of CVE-2021-27624

The vulnerability leads to internal memory corruption, resulting in system crashes and unavailability. It does not allow unauthorized data access or modification.

Technical Details of CVE-2021-27624

Explore the technical aspects of CVE-2021-27624 to better understand the nature of the vulnerability.

Vulnerability Description

The issue arises due to insufficient input validation in method CiXMLIStreamRawBuffer::readRaw(), enabling attackers to exploit the system through a malicious IGS request.

Affected Systems and Versions

SAP Internet Graphics Service versions < 7.20, < 7.20EXT, < 7.53, < 7.20_EX2, < 7.81 are vulnerable to this exploit.

Exploitation Mechanism

Attackers can trigger internal memory corruption by submitting a malicious IGS request over a network, exploiting the lack of input validation.

Mitigation and Prevention

Learn about the steps to mitigate the risks posed by CVE-2021-27624 and protect your systems.

Immediate Steps to Take

It is recommended to apply security patches provided by SAP to address the vulnerability and prevent exploitation.

Long-Term Security Practices

Implement robust input validation mechanisms and monitor network traffic to detect and prevent similar attacks in the future.

Patching and Updates

Regularly update SAP Internet Graphics Service to the latest secure version to safeguard your systems against known vulnerabilities.