CVE-2018-19568 : Security Advisory and Response
Learn about CVE-2018-19568, a vulnerability in dcraw up to version 9.28 that could allow attackers to exploit a floating point exception, potentially leading to application crashes. Find out how to mitigate risks and prevent exploitation.
A vulnerability in dcraw up to version 9.28 could allow attackers to exploit a floating point exception, potentially leading to application crashes.
Understanding CVE-2018-19568
This CVE involves a specific vulnerability in the dcraw software that attackers could leverage to cause application crashes.
What is CVE-2018-19568?
The vulnerability lies in the kodak_radc_load_raw component of dcraw up to version 9.28, where malicious files could trigger a floating point exception, resulting in application crashes.
The Impact of CVE-2018-19568
Exploiting this vulnerability could lead to denial of service (DoS) attacks by causing applications using dcraw code to crash.
Technical Details of CVE-2018-19568
This section delves into the technical aspects of the CVE.
Vulnerability Description
Attackers with the ability to provide malicious files could exploit a floating point exception present in kodak_radc_load_raw, a component of dcraw up to version 9.28. This vulnerability could lead to a crash in an application that incorporates the dcraw code.
Affected Systems and Versions
- Affected Component: kodak_radc_load_raw in dcraw up to version 9.28
- Versions Impacted: Up to version 9.28
Exploitation Mechanism
- Attackers can exploit the vulnerability by providing malicious files to trigger the floating point exception in the affected component.
Mitigation and Prevention
Protecting systems from CVE-2018-19568 requires specific actions to mitigate risks and prevent exploitation.
Immediate Steps to Take
- Update dcraw to a patched version that addresses the vulnerability.
- Implement file input validation to prevent the execution of malicious files.
Long-Term Security Practices
- Regularly update software components to ensure vulnerabilities are patched promptly.
- Conduct security assessments to identify and address potential vulnerabilities in software dependencies.
Patching and Updates
- Stay informed about security advisories related to dcraw and promptly apply patches released by the vendor.