CVE-2018-17229 : Exploit Details and Defense Strategies
Learn about CVE-2018-17229, a vulnerability in Exiv2 v0.26's types.cpp file allowing remote attackers to trigger a denial of service attack via a crafted image file. Find mitigation steps here.
Exiv2 v0.26's types.cpp file contains a heap-based buffer overflow vulnerability in the Exiv2::d2Data function, allowing remote attackers to trigger a denial of service attack through a specially crafted image file.
Understanding CVE-2018-17229
This CVE was published on September 19, 2018, and poses a threat due to a specific vulnerability in Exiv2 v0.26.
What is CVE-2018-17229?
The vulnerability in Exiv2 v0.26's types.cpp file, particularly in the Exiv2::d2Data function, permits malicious actors to execute a denial of service attack remotely by exploiting a manipulated image file.
The Impact of CVE-2018-17229
The presence of this vulnerability enables attackers to disrupt services and potentially compromise systems that process the affected image files.
Technical Details of CVE-2018-17229
Examine the technical aspects of this CVE to understand its implications better.
Vulnerability Description
Exiv2::d2Data in types.cpp in Exiv2 v0.26 is susceptible to a heap-based buffer overflow, which can be exploited by remote attackers to cause a denial of service by using a specifically crafted image file.
Affected Systems and Versions
- Product: Not applicable
- Vendor: Not applicable
- Version: Not applicable
Exploitation Mechanism
The vulnerability can be exploited remotely by sending a specially crafted image file to the target system, triggering the buffer overflow and leading to a denial of service condition.
Mitigation and Prevention
Protect systems from CVE-2018-17229 by implementing the following security measures.
Immediate Steps to Take
- Apply security patches provided by the vendor promptly.
- Restrict access to image processing functionalities to trusted sources.
Long-Term Security Practices
- Regularly update and patch software to address known vulnerabilities.
- Conduct security assessments and audits to identify and mitigate potential risks.
Patching and Updates
Ensure that Exiv2 v0.26 is updated with the latest patches and security fixes to mitigate the risk of exploitation.