CVE-2017-11119 : Exploit Details and Defense Strategies
Learn about CVE-2017-11119, a vulnerability in Nosefart 2.9-mls that allows remote attackers to trigger a denial of service attack via a crafted nsf file, leading to application crashes and invalid memory reads. Find mitigation steps and preventive measures here.
A crafted nsf file can trigger a denial of service (DoS) attack in Nosefart 2.9-mls, leading to an application crash and invalid memory read.
Understanding CVE-2017-11119
What is CVE-2017-11119?
The vulnerability exists in the chk_mem_access function within libnosefart.a in Nosefart 2.9-mls, allowing remote attackers to exploit it via a specially crafted nsf file.
The Impact of CVE-2017-11119
The vulnerability can result in a denial of service (DoS) attack, causing an application crash and leading to an invalid memory read.
Technical Details of CVE-2017-11119
Vulnerability Description
The chk_mem_access function in libnosefart.a in Nosefart 2.9-mls is susceptible to exploitation by remote attackers through a malicious nsf file, resulting in a DoS attack.
Affected Systems and Versions
- Product: Nosefart 2.9-mls
- Vendor: N/A
- Version: N/A
Exploitation Mechanism
The vulnerability can be exploited by crafting a specific nsf file to trigger a DoS attack, causing an application crash and invalid memory read.
Mitigation and Prevention
Immediate Steps to Take
- Implement input validation to prevent malicious nsf files from triggering the vulnerability.
- Regularly update the software to patch known security issues.
Long-Term Security Practices
- Conduct regular security assessments and penetration testing to identify and address vulnerabilities.
- Educate users on safe file handling practices to mitigate the risk of exploitation.
Patching and Updates
Apply patches and updates provided by the software vendor to address the vulnerability and enhance system security.