CVE-2020-6618 : Security Advisory and Response
Learn about CVE-2020-6618, a heap-based buffer over-read vulnerability in stb_truetype.h through version 1.22. Understand the impact, affected systems, exploitation, and mitigation steps.
This CVE-2020-6618 article provides insights into a heap-based buffer over-read vulnerability in stb_truetype.h through version 1.22.
Understanding CVE-2020-6618
What is CVE-2020-6618?
The CVE-2020-6618 vulnerability involves a heap-based buffer over-read in stbtt__find_table within stb_truetype.h version 1.22.
The Impact of CVE-2020-6618
This vulnerability could potentially lead to information disclosure or denial of service attacks by malicious actors.
Technical Details of CVE-2020-6618
Vulnerability Description
The issue arises from a heap-based buffer over-read in the stbtt__find_table function within stb_truetype.h version 1.22.
Affected Systems and Versions
- Product: Not applicable
- Vendor: Not applicable
- Versions affected: Not applicable
Exploitation Mechanism
The vulnerability can be exploited by an attacker to trigger a heap-based buffer over-read, potentially leading to information disclosure or denial of service.
Mitigation and Prevention
Immediate Steps to Take
- Monitor vendor updates for patches addressing the vulnerability.
- Implement network security measures to detect and block potential exploitation attempts.
Long-Term Security Practices
- Regularly update software and libraries to patched versions.
- Conduct security assessments and code reviews to identify and address vulnerabilities.
Patching and Updates
Apply patches provided by the vendor to mitigate the vulnerability and enhance system security.