CVE-2017-18198 : Security Advisory and Response
Learn about CVE-2017-18198, a heap-based buffer over-read vulnerability in GNU libcdio before version 1.0.0. Find out the impact, affected systems, exploitation mechanism, and mitigation steps.
A heap-based buffer over-read vulnerability in print_iso9660_recurse function in iso-info.c in GNU libcdio before version 1.0.0 can be exploited by remote attackers to cause a denial of service or potentially achieve other unspecified consequences by using a specifically crafted iso file.
Understanding CVE-2017-18198
This CVE involves a vulnerability in GNU libcdio that could lead to a denial of service attack or other potential impacts.
What is CVE-2017-18198?
The CVE-2017-18198 vulnerability is a heap-based buffer over-read issue in the print_iso9660_recurse function in iso-info.c in GNU libcdio before version 1.0.0. Attackers can exploit this flaw remotely by using a specially crafted iso file.
The Impact of CVE-2017-18198
The vulnerability could allow remote attackers to cause a denial of service or potentially achieve other unspecified consequences by exploiting the flaw in GNU libcdio.
Technical Details of CVE-2017-18198
This section provides more technical insights into the CVE-2017-18198 vulnerability.
Vulnerability Description
The vulnerability in print_iso9660_recurse function in iso-info.c in GNU libcdio before version 1.0.0 allows remote attackers to cause a denial of service (heap-based buffer over-read) or possibly have unspecified other impacts via a crafted iso file.
Affected Systems and Versions
- Affected Product: GNU libcdio
- Affected Version: Before 1.0.0
Exploitation Mechanism
Attackers can exploit this vulnerability remotely by using a specifically crafted iso file to trigger the heap-based buffer over-read.
Mitigation and Prevention
Protecting systems from CVE-2017-18198 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Update GNU libcdio to version 1.0.0 or later to mitigate the vulnerability.
- Monitor and restrict access to iso files to prevent potential exploitation.
Long-Term Security Practices
- Regularly update software and libraries to patch known vulnerabilities.
- Implement network security measures to detect and block malicious activities.
Patching and Updates
- Apply patches and updates provided by GNU libcdio to address the CVE-2017-18198 vulnerability.