CVE-2018-16790 : What You Need to Know
Learn about CVE-2018-16790, a heap-based buffer over-read vulnerability in libbson 1.12.0 library used by MongoDB mongo-c-driver. Find out the impact, affected systems, exploitation, and mitigation steps.
This CVE involves a heap-based buffer over-read vulnerability in the "libbson 1.12.0" library, specifically in the function "bson_iter_next_internal" used by MongoDB mongo-c-driver and related software.
Understanding CVE-2018-16790
This vulnerability can be exploited by a carefully crafted bson buffer, potentially leading to security issues.
What is CVE-2018-16790?
The vulnerability lies in the "bson_iter_next_internal" function within the "libbson 1.12.0" library, affecting MongoDB mongo-c-driver and associated software. It allows for a heap-based buffer over-read.
The Impact of CVE-2018-16790
The vulnerability could be exploited by an attacker to trigger a heap-based buffer over-read, potentially leading to security breaches and unauthorized access to sensitive information.
Technical Details of CVE-2018-16790
This section provides more in-depth technical insights into the vulnerability.
Vulnerability Description
The vulnerability in "libbson 1.12.0" library's "bson_iter_next_internal" function allows for a heap-based buffer over-read when processing a specially crafted bson buffer.
Affected Systems and Versions
- Product: Not applicable
- Vendor: Not applicable
- Versions: All systems utilizing "libbson 1.12.0" are affected.
Exploitation Mechanism
The vulnerability can be exploited by an attacker crafting a malicious bson buffer to trigger the heap-based buffer over-read.
Mitigation and Prevention
It is crucial to take immediate steps to address and prevent the exploitation of this vulnerability.
Immediate Steps to Take
- Update the affected software to a patched version that addresses the heap-based buffer over-read issue.
- Monitor for any unusual activities that might indicate exploitation of the vulnerability.
Long-Term Security Practices
- Regularly update and patch software to mitigate known vulnerabilities.
- Implement network security measures to detect and prevent unauthorized access.
Patching and Updates
- Apply the latest patches provided by the software vendor to fix the heap-based buffer over-read vulnerability.