CVE-2021-20573 : Security Advisory and Response
Understand the CVE-2021-20573 vulnerability in IBM Security Identity Manager Adapters 6.0 and 7.0, allowing a remote authenticated attacker to trigger a heap-based buffer overflow, crash the server, and potentially cause a denial of service.
IBM Security Identity Manager Adapters 6.0 and 7.0 are vulnerable to a heap-based buffer overflow, caused by improper bounds checking, allowing a remote authenticated attacker to crash the server. This vulnerability was published on June 22, 2021, with a CVSS base score of 6.5.
Understanding CVE-2021-20573
This section provides insights into the nature and impact of the CVE-2021-20573 vulnerability.
What is CVE-2021-20573?
CVE-2021-20573 is a vulnerability in IBM Security Identity Manager Adapters 6.0 and 7.0 that allows a remote authenticated attacker to trigger a heap-based buffer overflow due to inadequate bounds checking.
The Impact of CVE-2021-20573
The vulnerability can have a significant impact by enabling an attacker to crash the server, potentially leading to a denial of service (DoS) condition. The CVSS score for this vulnerability is 6.5 (Medium Severity).
Technical Details of CVE-2021-20573
Delve deeper into the technical aspects of CVE-2021-20573 to understand its propagation and impact.
Vulnerability Description
The vulnerability stems from improper bounds checking in IBM Security Identity Manager Adapters 6.0 and 7.0, leading to a heap-based buffer overflow scenario.
Affected Systems and Versions
IBM Security Identity Manager Adapters versions 6.0 and 7.0 are affected by this heap-based buffer overflow vulnerability.
Exploitation Mechanism
A remote authenticated attacker can exploit this vulnerability to trigger a heap-based buffer overflow, potentially causing a server crash.
Mitigation and Prevention
Learn about the necessary steps to mitigate the risks posed by CVE-2021-20573 and prevent future vulnerabilities.
Immediate Steps to Take
Immediately apply the official fix provided by IBM to address the vulnerability in Security Identity Manager Adapters versions 6.0 and 7.0.
Long-Term Security Practices
Incorporate robust security practices, such as regular security assessments and updates, to prevent and mitigate future vulnerabilities in your systems.
Patching and Updates
Regularly monitor security advisories from IBM and apply patches and updates promptly to secure your environment against known vulnerabilities.