CVE-2018-1000300 : What You Need to Know
Learn about CVE-2018-1000300, a Heap-based Buffer Overflow vulnerability in curl versions 7.54.1 to 7.59.0, leading to denial of service. Find mitigation steps and prevention measures here.
CVE-2018-1000300 is a Heap-based Buffer Overflow vulnerability found in the curl versions 7.54.1 to 7.59.0. This vulnerability could lead to denial of service and other potential issues.
Understanding CVE-2018-1000300
What is CVE-2018-1000300?
The vulnerability in curl occurs when closing an FTP connection and receiving excessively long server command replies, potentially causing a heap-based memory buffer overflow.
The Impact of CVE-2018-1000300
This vulnerability can result in denial of service and other security issues due to the potential overflow of a heap-based memory buffer.
Technical Details of CVE-2018-1000300
Vulnerability Description
The vulnerability in curl versions 7.54.1 to 7.59.0 is a Heap-based Buffer Overflow with CWE-122, allowing attackers to exploit the FTP connection closure process.
Affected Systems and Versions
- Versions affected: 7.54.1 to 7.59.0
Exploitation Mechanism
- Attackers can trigger the vulnerability by sending very long server command replies when curl closes an FTP connection.
Mitigation and Prevention
Immediate Steps to Take
- Upgrade curl to a version earlier than 7.54.1 or equal to/greater than 7.60.0
- Monitor network traffic for any suspicious activities
Long-Term Security Practices
- Regularly update software and apply security patches
- Implement network segmentation and access controls
Patching and Updates
- Apply patches provided by the curl project to fix the vulnerability