CVE-2018-19567 : Vulnerability Insights and Analysis

An application that incorporates the dcraw code could be susceptible to crashing if attackers with the ability to provide malicious files exploit a floating point exception in parse_tiff_ifd in dcraw up to version 9.28.

Understanding CVE-2018-19567

A floating point exception in parse_tiff_ifd in dcraw through version 9.28 could be used by attackers to crash applications that bundle the dcraw code.

What is CVE-2018-19567?

The vulnerability in dcraw up to version 9.28 allows attackers to exploit a floating point exception in parse_tiff_ifd, potentially leading to application crashes when malicious files are provided.

The Impact of CVE-2018-19567

Attackers can cause applications using dcraw to crash by exploiting the vulnerability in parse_tiff_ifd.

Technical Details of CVE-2018-19567

The technical details of the vulnerability in dcraw version 9.28 are as follows:

Vulnerability Description

The vulnerability lies in the parse_tiff_ifd function in dcraw.

Affected Systems and Versions

Product: Not applicable
Vendor: Not applicable
Versions affected: Up to version 9.28

Exploitation Mechanism

Attackers with the ability to provide malicious files can trigger a floating point exception in parse_tiff_ifd, leading to application crashes.

Mitigation and Prevention

Taking immediate steps and implementing long-term security practices can help mitigate the risks associated with CVE-2018-19567.

Immediate Steps to Take

Update dcraw to a patched version if available.
Avoid opening files from untrusted or unknown sources.

Long-Term Security Practices

Regularly update software and applications to patch known vulnerabilities.
Implement file input validation to prevent the execution of malicious files.
Conduct security audits to identify and address potential vulnerabilities.

Patching and Updates

Stay informed about security updates for dcraw and apply patches promptly to protect against known vulnerabilities.