CVE-2021-45005 : What You Need to Know
Discover the critical heap buffer overflow vulnerability in Artifex MuJS v1.1.3 due to conflicting nested try/finally statements. Learn how to mitigate the risk and apply necessary patches.
Artifex MuJS v1.1.3 contains a heap buffer overflow due to conflicting JumpList of nested try/finally statements.
Understanding CVE-2021-45005
Artifex MuJS v1.1.3 contains a critical vulnerability with a heap buffer overflow.
What is CVE-2021-45005?
Artifex MuJS v1.1.3 suffers from a heap buffer overflow caused by conflicting JumpList of nested try/finally statements.
The Impact of CVE-2021-45005
The heap buffer overflow in Artifex MuJS v1.1.3 could lead to potential code execution or denial of service attacks.
Technical Details of CVE-2021-45005
Artifex MuJS v1.1.3 vulnerability details and affected systems.
Vulnerability Description
The vulnerability exists in Artifex MuJS v1.1.3 due to conflicting nested try/finally statements, causing a heap buffer overflow.
Affected Systems and Versions
- Product: N/A
- Vendor: N/A
- Version: N/A
Exploitation Mechanism
- Attackers could craft malicious inputs to trigger the conflicting JumpList, leading to the buffer overflow.
Mitigation and Prevention
Steps to mitigate and prevent exploitation of CVE-2021-45005.
Immediate Steps to Take
- Apply vendor patches or updates promptly.
- Consider disabling MuJS if not essential for operations.
Long-Term Security Practices
- Regularly update software components to the latest versions.
- Implement code review processes to catch potential vulnerabilities early.
- Monitor security mailing lists for updates on Artifex MuJS.
Patching and Updates
- Check for patches from Artifex or affected vendors to address the heap buffer overflow in MuJS.