CVE-2018-9145 : What You Need to Know
Discover the impact of CVE-2018-9145 in Exiv2 0.26, where a memory allocation error can lead to a SIGABRT error. Learn about affected systems, exploitation, and mitigation steps.
Exiv2 0.26 has a vulnerability in the DataBuf class constructor that can lead to a SIGABRT error during memory allocation.
Understanding CVE-2018-9145
This CVE involves a specific issue in the constructor of the DataBuf class in Exiv2 0.26.
What is CVE-2018-9145?
The problem arises when assigning an initial buffer size, potentially causing a SIGABRT error during memory allocation.
The Impact of CVE-2018-9145
The vulnerability can result in a denial of service (DoS) condition due to the memory allocation error.
Technical Details of CVE-2018-9145
Examine the technical aspects of this CVE.
Vulnerability Description
The issue occurs in the constructor of the DataBuf class in Exiv2 0.26, triggered by assigning a large initial buffer size.
Affected Systems and Versions
- Affected Systems: Not specified
- Affected Versions: Exiv2 0.26
Exploitation Mechanism
The vulnerability can be exploited by assigning a high value as the initial buffer size, leading to a SIGABRT error during memory allocation.
Mitigation and Prevention
Learn how to address and prevent the CVE.
Immediate Steps to Take
- Update Exiv2 to a patched version if available.
- Avoid using untrusted PoC files or data.
Long-Term Security Practices
- Regularly update software to the latest versions.
- Implement secure coding practices to prevent memory allocation errors.
Patching and Updates
- Apply patches provided by Exiv2 to fix the vulnerability.