CVE-2021-27625 : What You Need to Know

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, causing system crash and unavailability. Find out more about CVE-2021-27625.

Understanding CVE-2021-27625

This section provides insights into the nature and impact of the vulnerability.

What is CVE-2021-27625?

CVE-2021-27625 refers to a vulnerability in SAP Internet Graphics Service that enables an unauthenticated attacker to exploit insufficient input validation, leading to memory corruption and system crash.

The Impact of CVE-2021-27625

The vulnerability can be exploited to launch malicious IGS requests over the network, causing internal memory corruption errors, system crashes, and rendering the system unavailable.

Technical Details of CVE-2021-27625

Explore the specifics of the vulnerability and its implications.

Vulnerability Description

The flaw arises from insufficient input validation in the method

IgsData::freeMemory()

, allowing attackers to trigger memory corruption.

Affected Systems and Versions

SAP Internet Graphics Service versions < 7.20, < 7.20EXT, < 7.53, < 7.20_EX2, < 7.81 are impacted by this vulnerability.

Exploitation Mechanism

Attackers can exploit the vulnerability by retrieving a system state value and submitting a malicious IGS request over the network.

Mitigation and Prevention

Discover the measures to mitigate the risk associated with CVE-2021-27625.

Immediate Steps to Take

Ensure that systems running the affected versions of SAP Internet Graphics Service are secured behind firewalls and access controls.

Long-Term Security Practices

Regularly update and patch the SAP Internet Graphics Service to address security vulnerabilities and enhance system resilience.

Patching and Updates

Stay informed about security updates and patches released by SAP to remediate CVE-2021-27625.