CVE-2018-20618 : Security Advisory and Response
Learn about CVE-2018-20618, a heap-based buffer over-read vulnerability in the ok-file-formats software library. Find out the impact, affected systems, exploitation mechanism, and mitigation steps.
On October 16, 2018, the software library "ok-file-formats" experienced a vulnerability in the "ok_mo_decode2" function located in the "ok_mo.c" file. This vulnerability is related to a heap-based buffer over-read issue.
Understanding CVE-2018-20618
This CVE-2018-20618 vulnerability affects the "ok-file-formats" software library through October 16, 2018.
What is CVE-2018-20618?
CVE-2018-20618 is a heap-based buffer over-read vulnerability found in the "ok_mo_decode2" function within the "ok_mo.c" file of the "ok-file-formats" software library.
The Impact of CVE-2018-20618
- This vulnerability could potentially allow attackers to read beyond the allocated memory, leading to information exposure or system crashes.
Technical Details of CVE-2018-20618
This section provides technical details about the CVE-2018-20618 vulnerability.
Vulnerability Description
The vulnerability involves a heap-based buffer over-read in the "ok_mo_decode2" function within the "ok_mo.c" file of the "ok-file-formats" library.
Affected Systems and Versions
- Affected Product: Not applicable
- Affected Vendor: Not applicable
- Affected Version: Not applicable
Exploitation Mechanism
- Attackers can exploit this vulnerability by manipulating specific data, causing the software to read beyond the intended memory boundaries.
Mitigation and Prevention
Protect your systems from CVE-2018-20618 with the following measures:
Immediate Steps to Take
- Monitor vendor updates for patches addressing this vulnerability.
- Implement intrusion detection/prevention systems to detect and block potential exploits.
Long-Term Security Practices
- Regularly update software and libraries to the latest versions to mitigate known vulnerabilities.
- Conduct security assessments and code reviews to identify and address potential weaknesses.
- Educate developers on secure coding practices to prevent similar vulnerabilities.
Patching and Updates
- Apply patches provided by the software vendor to fix the heap-based buffer over-read issue in the affected function.