CVE-2017-6440 : What You Need to Know
Learn about CVE-2017-6440, a memory allocation error vulnerability in libimobiledevice libplist 1.12 that allows local users to trigger a denial of service. Find out how to mitigate this issue.
A memory allocation error can be exploited by local users through a manipulated plist file in libimobiledevice libplist 1.12.
Understanding CVE-2017-6440
This CVE involves a vulnerability in the parse_data_node function in bplist.c within libimobiledevice libplist 1.12.
What is CVE-2017-6440?
The parse_data_node function in bplist.c in libimobiledevice libplist 1.12 allows local users to trigger a denial of service (memory allocation error) by using a crafted plist file.
The Impact of CVE-2017-6440
The vulnerability can be exploited by local users to cause a denial of service on the affected system.
Technical Details of CVE-2017-6440
This section provides more technical insights into the CVE.
Vulnerability Description
A memory allocation error can be caused by local users through a manipulated plist file when using the parse_data_node function in bplist.c within libimobiledevice libplist 1.12.
Affected Systems and Versions
- Product: Not applicable
- Vendor: Not applicable
- Version: Not applicable
Exploitation Mechanism
The vulnerability can be exploited by local users through a manipulated plist file.
Mitigation and Prevention
Protecting systems from CVE-2017-6440 requires specific actions.
Immediate Steps to Take
- Regularly update libimobiledevice libplist to the latest version.
- Avoid opening plist files from untrusted sources.
Long-Term Security Practices
- Implement the principle of least privilege to restrict user access.
- Conduct regular security audits to identify and address vulnerabilities.
Patching and Updates
Ensure timely patching of libimobiledevice libplist to address known vulnerabilities.