CVE-2020-24978 : Security Advisory and Response
Learn about CVE-2020-24978, a double-free vulnerability in NASM 2.15.04rc3, potentially allowing arbitrary code execution. Find mitigation steps and preventive measures here.
In NASM 2.15.04rc3, a double-free vulnerability in pp_tokline asm/preproc.c was identified and fixed in commit 8806c3ca007b84accac21dd88b900fb03614ceb7.
Understanding CVE-2020-24978
This CVE involves a specific vulnerability in NASM 2.15.04rc3.
What is CVE-2020-24978?
The CVE-2020-24978 is a double-free vulnerability found in pp_tokline asm/preproc.c in NASM 2.15.04rc3.
The Impact of CVE-2020-24978
This vulnerability could potentially be exploited by attackers to execute arbitrary code or cause a denial of service.
Technical Details of CVE-2020-24978
This section provides more technical insights into the CVE.
Vulnerability Description
The vulnerability is a double-free issue in pp_tokline asm/preproc.c in NASM 2.15.04rc3.
Affected Systems and Versions
- Product: Not applicable
- Vendor: Not applicable
- Version: Not applicable
Exploitation Mechanism
The vulnerability could be exploited by malicious actors to trigger a double-free condition, leading to potential code execution or denial of service.
Mitigation and Prevention
Protecting systems from CVE-2020-24978 is crucial.
Immediate Steps to Take
- Apply the patch provided by NASM to fix the double-free vulnerability.
- Monitor for any unusual activities on the system that could indicate exploitation.
Long-Term Security Practices
- Regularly update software and apply security patches promptly.
- Conduct security audits and code reviews to identify and address vulnerabilities.
Patching and Updates
- Stay informed about security updates from NASM and apply them as soon as they are released.