CVE-2021-41989 : Exploit Details and Defense Strategies
Learn about CVE-2021-41989, a security flaw in QlikView software versions up to 12.60.20100.0, allowing unauthorized access to temporary files. Find mitigation steps and preventive measures here.
A vulnerability in QlikView through version 12.60.20100.0 could lead to the creation of temporary files with insecure permissions.
Understanding CVE-2021-41989
QlikView software versions prior to 12.60.20100.0 are susceptible to a security issue that involves the creation of temporary files in directories with insecure permissions.
What is CVE-2021-41989?
The CVE-2021-41989 vulnerability in QlikView allows for the creation of temporary files that could be exploited due to insecure permissions, potentially leading to unauthorized access or data compromise.
The Impact of CVE-2021-41989
This vulnerability could be exploited by malicious actors to gain unauthorized access to sensitive information or execute arbitrary code on the affected system, posing a significant risk to data confidentiality and system integrity.
Technical Details of CVE-2021-41989
QlikView versions up to 12.60.20100.0 are affected by this vulnerability.
Vulnerability Description
The issue arises from the software creating temporary files with insecure permissions, making them accessible to unauthorized users.
Affected Systems and Versions
- Vendor: Qlik
- Product: QlikView
- Vulnerable Versions: Up to 12.60.20100.0
Exploitation Mechanism
Attackers could exploit this vulnerability by accessing the temporary files with insecure permissions, potentially leading to unauthorized system access or data leakage.
Mitigation and Prevention
It is crucial to take immediate action to mitigate the risks associated with CVE-2021-41989.
Immediate Steps to Take
- Monitor for any unauthorized access or unusual file activities.
- Implement access controls to restrict file permissions.
- Apply the latest security updates or patches provided by Qlik to address the vulnerability.
Long-Term Security Practices
- Conduct regular security assessments to identify and address vulnerabilities.
- Educate users about secure file handling practices to prevent unauthorized access.
Patching and Updates
- Ensure that systems running QlikView are updated with the latest patches to fix the vulnerability and enhance overall security.