CVE-2021-27622 : Vulnerability Insights and Analysis
Discover how CVE-2021-27622 impacts SAP Internet Graphics Service, allowing unauthenticated attackers to crash the system through internal memory corruption. Learn about affected versions and mitigation steps.
SAP Internet Graphics Service, versions - 7.20, 7.20EXT, 7.53, 7.20_EX2, 7.81, allows an unauthenticated attacker to trigger internal memory corruption, crashing the system.
Understanding CVE-2021-27622
This CVE impacts SAP Internet Graphics Service, potentially leading to system crashes.
What is CVE-2021-27622?
CVE-2021-27622 affects SAP Internet Graphics Service versions and allows attackers to crash the system through a malicious request, causing unavailability.
The Impact of CVE-2021-27622
The vulnerability triggers internal memory corruption, making the system crash and rendering it unavailable. However, no data can be viewed or modified in the system.
Technical Details of CVE-2021-27622
This section covers the vulnerability description, affected systems and versions, and the exploitation mechanism.
Vulnerability Description
The vulnerability in the SAP Internet Graphics Service allows unauthenticated attackers to trigger internal memory corruption, resulting in a system crash.
Affected Systems and Versions
SAP Internet Graphics Service versions < 7.20, < 7.20EXT, < 7.53, < 7.20_EX2, < 7.81 are affected by CVE-2021-27622.
Exploitation Mechanism
Attackers exploit the insufficient input validation in method CDrawRaster::LoadImageFromMemory() to trigger internal memory corruption and crash the system.
Mitigation and Prevention
To address CVE-2021-27622, immediate steps, long-term security practices, and the importance of patching and updates are crucial.
Immediate Steps to Take
Organizations should apply security patches provided by SAP to mitigate the vulnerability. It is also recommended to monitor network traffic for any suspicious activities.
Long-Term Security Practices
Implementing robust input validation mechanisms, conducting regular security audits, and educating staff on cybersecurity best practices can enhance long-term security.
Patching and Updates
Regularly update SAP Internet Graphics Service to the latest versions available to ensure protection against CVE-2021-27622.