CVE-2018-11727 : Vulnerability Insights and Analysis
Learn about CVE-2018-11727 affecting libfsntfs library. Remote attackers can exploit a vulnerability to disclose information via crafted ntfs files, leading to a heap-based buffer over-read.
CVE-2018-11727 was published on June 19, 2018, and affects the libfsntfs library. The vulnerability allows remote attackers to exploit the libfsntfs_attribute_read_from_mft function to disclose information through a crafted ntfs file, leading to a heap-based buffer over-read.
Understanding CVE-2018-11727
This CVE entry highlights a disputed vulnerability in the libfsntfs library, where remote attackers can trigger an information disclosure by exploiting a specific function.
What is CVE-2018-11727?
The vulnerability in the libfsntfs library allows remote attackers to disclose information by utilizing a specially crafted ntfs file, resulting in a heap-based buffer over-read.
The Impact of CVE-2018-11727
The exploitation of this vulnerability can lead to an information disclosure, potentially exposing sensitive data to unauthorized parties.
Technical Details of CVE-2018-11727
CVE-2018-11727 involves the following technical aspects:
Vulnerability Description
The vulnerability lies in the libfsntfs_attribute_read_from_mft function within libfsntfs_attribute.c in libfsntfs, allowing for an information disclosure through a crafted ntfs file.
Affected Systems and Versions
- Product: Not applicable
- Vendor: Not applicable
- Versions: Prior to 2018-04-20
Exploitation Mechanism
Remote attackers can exploit the vulnerability by using a specifically crafted ntfs file to trigger a heap-based buffer over-read.
Mitigation and Prevention
To address CVE-2018-11727, consider the following mitigation strategies:
Immediate Steps to Take
- Monitor vendor updates and patches related to the libfsntfs library.
- Implement network security measures to detect and block malicious ntfs files.
Long-Term Security Practices
- Conduct regular security assessments and audits to identify vulnerabilities.
- Educate users on safe file handling practices to prevent exploitation of similar vulnerabilities.
Patching and Updates
- Apply vendor-recommended patches and updates promptly to mitigate the vulnerability in the libfsntfs library.