CVE-2021-29831 Explained : Impact and Mitigation
Learn about CVE-2021-29831, a vulnerability in IBM Jazz for Service Management and Tivoli Netcool that could allow remote attackers to perform XXE attacks and expose sensitive information.
This article provides detailed information about CVE-2021-29831, a vulnerability found in IBM Jazz for Service Management and IBM Tivoli Netcool/OMNIbus_GUI that could be exploited by remote attackers to perform an XML External Entity Injection (XXE) attack.
Understanding CVE-2021-29831
CVE-2021-29831 is a security vulnerability that affects IBM Jazz for Service Management version 1.1.3.10 and IBM Tivoli Netcool/OMNIbus_GUI. It was published on September 20, 2021.
What is CVE-2021-29831?
IBM Jazz for Service Management and IBM Tivoli Netcool/OMNIbus_GUI are susceptible to an XML External Entity Injection (XXE) attack. This vulnerability could allow a remote attacker to expose sensitive information or consume memory resources.
The Impact of CVE-2021-29831
The vulnerability poses a high risk to confidentiality, with a CVSSv3 base score of 7.1 (High Severity) and a confidentiality impact rated as HIGH. While the attack complexity is low, the exploit code maturity is unproven.
Technical Details of CVE-2021-29831
The vulnerability allows for an XXE attack during the processing of XML data, potentially leading to memory resource consumption or exposure of sensitive information.
Vulnerability Description
The XXE vulnerability in IBM Jazz for Service Management and IBM Tivoli Netcool/OMNIbus_GUI could be leveraged by remote attackers to manipulate XML data and carry out malicious activities.
Affected Systems and Versions
IBM Jazz for Service Management version 1.1.3.10 and IBM Tivoli Netcool/OMNIbus_GUI are impacted by this vulnerability.
Exploitation Mechanism
A remote attacker can exploit this vulnerability to launch an XXE attack, compromising the confidentiality of sensitive data.
Mitigation and Prevention
To prevent potential exploitation of CVE-2021-29831, users are advised to take immediate steps and follow long-term security practices.
Immediate Steps to Take
Ensure that the affected systems are updated with the official fix provided by IBM and apply relevant security patches promptly.
Long-Term Security Practices
Implement secure coding practices, conduct regular security audits, and monitor for any suspicious activities or unauthorized access attempts.
Patching and Updates
Regularly monitor security advisories from IBM and apply patches and updates as soon as they are released to mitigate the risk of exploitation.