CVE-2017-11189 : Exploit Details and Defense Strategies
Learn about CVE-2017-11189, a vulnerability in unrar-free 0.0.1 that could be exploited by remote attackers to cause a denial of service. Find out how to mitigate and prevent this security issue.
CVE-2017-11189, published on July 12, 2017, addresses a vulnerability in unrar-free 0.0.1 that could lead to a denial of service attack by remote threat actors.
Understanding CVE-2017-11189
This CVE entry highlights a potential security flaw in the unrarlib.c file within unrar-free 0.0.1, which could result in a NULL pointer dereference, causing the application to crash. The vulnerability is particularly critical if unrarlib is integrated as library code in a long-running application.
What is CVE-2017-11189?
The vulnerability in unrar-free 0.0.1 could be exploited by remote attackers to trigger a denial of service attack, potentially leading to a crash of the application.
The Impact of CVE-2017-11189
The exploitation of this vulnerability could result in a denial of service condition, causing the application to crash, especially if unrarlib is utilized as library code in a long-running application.
Technical Details of CVE-2017-11189
This section provides more in-depth technical insights into the vulnerability.
Vulnerability Description
The vulnerability in unrar-free 0.0.1 allows remote attackers to exploit a NULL pointer dereference, leading to a denial of service attack.
Affected Systems and Versions
- Product: unrar-free 0.0.1
- Vendor: Not applicable
- Version: Not applicable
Exploitation Mechanism
The vulnerability can be exploited remotely by attackers to cause a denial of service, potentially crashing the application.
Mitigation and Prevention
To address CVE-2017-11189 and enhance overall security, consider the following mitigation strategies:
Immediate Steps to Take
- Update unrar-free to a patched version if available
- Implement network security measures to prevent remote exploitation
Long-Term Security Practices
- Regularly monitor and update software components for known vulnerabilities
- Conduct security assessments to identify and remediate potential weaknesses
Patching and Updates
- Stay informed about security advisories related to unrar-free
- Apply patches promptly to mitigate the risk of exploitation