CVE-2018-11723 : Security Advisory and Response
Learn about CVE-2018-11723 affecting libyal libpff, allowing remote attackers to trigger an information disclosure via a crafted pff file. Find mitigation steps here.
CVE-2018-11723 was published on June 19, 2018, and affects the libyal libpff library. This vulnerability allows remote attackers to trigger an information disclosure through a crafted pff file, leading to a heap-based buffer over-read. The vendor's response to this issue has been a subject of debate.
Understanding CVE-2018-11723
This CVE entry highlights a specific flaw in the libyal libpff library that can be exploited by remote attackers to disclose information.
What is CVE-2018-11723?
The vulnerability in the libyal libpff, particularly in the libpff_name_to_id_map_entry_read function, allows for an information disclosure through a manipulated pff file.
The Impact of CVE-2018-11723
The vulnerability results in a heap-based buffer over-read, enabling attackers to access sensitive information.
Technical Details of CVE-2018-11723
This section delves into the technical aspects of the CVE.
Vulnerability Description
The flaw in the libpff_name_to_id_map_entry_read function within libpff_name_to_id_map.c permits remote attackers to trigger an information disclosure via a crafted pff file.
Affected Systems and Versions
- Product: Not applicable
- Vendor: Not applicable
- Versions: Not applicable
Exploitation Mechanism
The vulnerability can be exploited remotely by manipulating a pff file to trigger a heap-based buffer over-read.
Mitigation and Prevention
Protecting systems from CVE-2018-11723 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Monitor vendor updates and patches related to the libyal libpff library.
- Implement network security measures to detect and block malicious pff files.
Long-Term Security Practices
- Conduct regular security assessments and audits to identify vulnerabilities.
- Educate users on safe file handling practices to prevent exploitation.
- Employ intrusion detection systems to monitor for suspicious activities.
- Stay informed about security advisories and updates from relevant sources.
Patching and Updates
Apply patches and updates provided by the vendor to address the vulnerability in the libyal libpff library.