CVE-2017-12956 Explained : Impact and Mitigation
Learn about CVE-2017-12956, a security vulnerability in Exiv2 version 0.26 that allows unauthorized access to an address, potentially leading to a denial of service attack. Find out how to mitigate and prevent this issue.
Exiv2 version 0.26 Vulnerability
Understanding CVE-2017-12956
What is CVE-2017-12956?
In the libexiv2's basicio.cpp file, an unauthorized access to an address in the Exiv2::FileIo::pathabi:cxx11 function poses a security risk. This vulnerability in Exiv2 version 0.26 can lead to a remote denial of service attack.
The Impact of CVE-2017-12956
This vulnerability allows attackers to exploit the address access issue, potentially causing a denial of service on affected systems.
Technical Details of CVE-2017-12956
Vulnerability Description
The vulnerability lies in the Exiv2::FileIo::pathabi:cxx11 function in basicio.cpp of libexiv2 in Exiv2 0.26, enabling remote denial of service attacks.
Affected Systems and Versions
- Product: N/A
- Vendor: N/A
- Version: N/A
Exploitation Mechanism
Attackers can exploit this vulnerability by unauthorized access to an address, leading to a denial of service.
Mitigation and Prevention
Immediate Steps to Take
- Update Exiv2 to a patched version.
- Monitor network traffic for any suspicious activity.
Long-Term Security Practices
- Regularly update software and libraries to prevent vulnerabilities.
- Implement network segmentation to limit the impact of potential attacks.
Patching and Updates
Apply patches provided by Exiv2 to address the vulnerability.