CVE-2019-4087 : Vulnerability Insights and Analysis
Learn about CVE-2019-4087, a critical vulnerability in IBM Spectrum Protect Servers 7.1 and 8.1, potentially allowing remote code execution or server crashes. Find mitigation steps here.
IBM Spectrum Protect Servers 7.1 and 8.1 are vulnerable to a stack-based buffer overflow due to improper bounds checking during communication exchanges, potentially allowing remote attackers to execute arbitrary code or crash the server.
Understanding CVE-2019-4087
This CVE involves a critical vulnerability in IBM Spectrum Protect Servers 7.1 and 8.1 that could lead to severe consequences if exploited.
What is CVE-2019-4087?
The vulnerability in IBM Spectrum Protect Servers 7.1 and 8.1 arises from a lack of proper bounds checking during communication exchanges, potentially resulting in a stack-based buffer overflow when a specially designed communication request is sent. This flaw could allow a remote attacker to execute arbitrary code on the system with instance id privileges or cause the server or storage agent to crash.
The Impact of CVE-2019-4087
The impact of this vulnerability is critical, with a CVSS v3.0 base score of 9.8 (Critical). The availability, confidentiality, and integrity of the affected systems are at high risk.
Technical Details of CVE-2019-4087
This section provides more in-depth technical details about the vulnerability.
Vulnerability Description
The vulnerability in IBM Spectrum Protect Servers 7.1 and 8.1 and Storage Agents is due to improper bounds checking during communication exchanges, leading to a stack-based buffer overflow.
Affected Systems and Versions
- Product: Spectrum Protect
- Vendor: IBM
- Versions Affected: 7.1, 8.1
Exploitation Mechanism
The vulnerability can be exploited by sending a specially crafted communication request, triggering a stack-based buffer overflow that could allow remote attackers to execute arbitrary code or crash the server.
Mitigation and Prevention
To address and prevent the exploitation of CVE-2019-4087, the following steps are recommended:
Immediate Steps to Take
- Apply official fixes provided by IBM to patch the vulnerability.
- Monitor for any unusual network activity that could indicate exploitation attempts.
Long-Term Security Practices
- Regularly update and patch all software and systems to prevent known vulnerabilities.
- Implement network segmentation and access controls to limit the impact of potential attacks.
Patching and Updates
- Stay informed about security bulletins and updates from IBM to apply patches promptly.