CVE-2019-8961 Explained : Impact and Mitigation
Learn about CVE-2019-8961, a vulnerability in FlexNet Publisher lmadmin.exe version 11.16.2 that can lead to a Denial of Service attack. Find out how to mitigate and prevent exploitation.
An issue has been discovered in the FlexNet Publisher lmadmin.exe version 11.16.2 that exposes a vulnerability related to stack exhaustion, potentially leading to a Denial of Service (DoS) attack. Unauthorized remote attackers can exploit this vulnerability by continuously sending specific messages, causing a stack exhaustion condition.
Understanding CVE-2019-8961
This CVE identifies a Denial of Service vulnerability in FlexNet Publisher lmadmin.exe version 11.16.2.
What is CVE-2019-8961?
The vulnerability in FlexNet Publisher lmadmin.exe version 11.16.2 allows for a Denial of Service attack due to stack exhaustion triggered by recursive message reading function calls under specific conditions.
The Impact of CVE-2019-8961
- The vulnerability can be exploited by unauthorized remote attackers to cause a stack exhaustion condition, leading to a DoS attack.
Technical Details of CVE-2019-8961
This section provides technical details about the vulnerability.
Vulnerability Description
The issue in FlexNet Publisher lmadmin.exe version 11.16.2 allows unauthorized remote attackers to trigger a stack exhaustion condition by continuously sending specific messages.
Affected Systems and Versions
- Affected Version: 11.16.2
- Product: FlexNet Publisher lmadmin.exe
Exploitation Mechanism
- Attackers exploit the vulnerability by sending messages of a particular type continuously, triggering stack exhaustion.
Mitigation and Prevention
Protecting systems from CVE-2019-8961 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Apply vendor-provided patches or updates to mitigate the vulnerability.
- Monitor network traffic for any unusual patterns that may indicate exploitation.
Long-Term Security Practices
- Regularly update and patch software to address known vulnerabilities.
- Implement network segmentation to limit the impact of potential attacks.
Patching and Updates
- Ensure that the affected version of FlexNet Publisher lmadmin.exe is updated with the latest patches to prevent exploitation of the vulnerability.