CVE-2018-18481 Explained : Impact and Mitigation
Discover the impact of CVE-2018-18481, a vulnerability in libopencad 0.2.0 that could lead to an application crash due to a heap-based buffer over-read. Learn about affected systems, exploitation, and mitigation steps.
A vulnerability in libopencad 0.2.0 can lead to a crash of the application due to a heap-based buffer over-read in the ReadCHAR function in lib/dwg/io.cpp.
Understanding CVE-2018-18481
This CVE entry describes a specific vulnerability in libopencad 0.2.0 that can result in an application crash.
What is CVE-2018-18481?
The vulnerability in libopencad 0.2.0 arises from a heap-based buffer over-read in the ReadCHAR function in lib/dwg/io.cpp, potentially causing the application to crash.
The Impact of CVE-2018-18481
The vulnerability could lead to a denial of service (DoS) situation where the application crashes due to the buffer over-read.
Technical Details of CVE-2018-18481
This section provides more technical insights into the vulnerability.
Vulnerability Description
The issue exists in libopencad 0.2.0 in the ReadCHAR function in lib/dwg/io.cpp, resulting in a heap-based buffer over-read and subsequent application crash.
Affected Systems and Versions
- Affected Version: libopencad 0.2.0
- Systems: Not specified
Exploitation Mechanism
The vulnerability can be exploited by triggering the ReadCHAR function with specially crafted input, leading to the buffer over-read and application crash.
Mitigation and Prevention
To address CVE-2018-18481, follow these mitigation strategies:
Immediate Steps to Take
- Apply vendor patches if available
- Monitor vendor communications for updates
Long-Term Security Practices
- Regularly update software and libraries
- Conduct security assessments and code reviews
Patching and Updates
- Keep software up to date with the latest patches and versions to mitigate the vulnerability.