CVE-2017-17812 : Vulnerability Insights and Analysis
Learn about CVE-2017-17812, a vulnerability in Netwide Assembler (NASM) 2.14rc0 that allows remote denial of service attacks. Find out how to mitigate and prevent exploitation.
Netwide Assembler (NASM) 2.14rc0 contains a heap-based buffer over-read vulnerability in the detoken() function, allowing for remote denial of service attacks.
Understanding CVE-2017-17812
This CVE involves a vulnerability in NASM that can be exploited for denial of service attacks.
What is CVE-2017-17812?
The detoken() function in NASM 2.14rc0 has a heap-based buffer over-read vulnerability, which can be abused remotely to trigger denial of service.
The Impact of CVE-2017-17812
The vulnerability can be exploited remotely, potentially leading to a denial of service attack on systems running the affected NASM version.
Technical Details of CVE-2017-17812
NASM 2.14rc0 is susceptible to a heap-based buffer over-read in the detoken() function.
Vulnerability Description
The detoken() function in asm/preproc.c of NASM 2.14rc0 contains a heap-based buffer over-read vulnerability.
Affected Systems and Versions
- Product: Netwide Assembler (NASM)
- Version: 2.14rc0
Exploitation Mechanism
The vulnerability can be exploited remotely to cause a denial of service attack.
Mitigation and Prevention
Steps to address and prevent exploitation of CVE-2017-17812
Immediate Steps to Take
- Apply vendor patches or updates promptly.
- Monitor vendor advisories for security patches.
- Implement network security measures to mitigate remote exploitation.
Long-Term Security Practices
- Regularly update software and firmware to the latest versions.
- Conduct security assessments and penetration testing to identify vulnerabilities.
Patching and Updates
- Ensure NASM is updated to a patched version that addresses the heap-based buffer over-read vulnerability.