CVE-2019-18853 : Security Advisory and Response

ImageMagick before version 7.0.9-0 is vulnerable to a denial of service attack due to inadequate restriction of XML_PARSE_HUGE in the coders/svg.c file.

Understanding CVE-2019-18853

What is CVE-2019-18853?

ImageMagick prior to 7.0.9-0 is susceptible to a denial of service attack due to a lack of proper restriction of XML_PARSE_HUGE in the coders/svg.c file, which is related to SVG and libxml2.

The Impact of CVE-2019-18853

This vulnerability allows remote attackers to cause a denial of service by exploiting the XML_PARSE_HUGE restriction issue in ImageMagick.

Technical Details of CVE-2019-18853

Vulnerability Description

The vulnerability in ImageMagick before 7.0.9-0 allows remote attackers to trigger a denial of service due to inadequate restriction of XML_PARSE_HUGE in the coders/svg.c file, which is connected to SVG and libxml2.

Affected Systems and Versions

Product: ImageMagick
Vendor: N/A
Versions: All versions before 7.0.9-0

Exploitation Mechanism

The vulnerability can be exploited remotely by attackers to cause a denial of service due to the lack of proper restriction of XML_PARSE_HUGE in the coders/svg.c file.

Mitigation and Prevention

Immediate Steps to Take

Update ImageMagick to version 7.0.9-0 or later to mitigate the vulnerability.
Monitor security advisories for any patches or updates related to this issue.

Long-Term Security Practices

Regularly update software and apply security patches promptly.
Implement network security measures to prevent remote exploitation of vulnerabilities.

Patching and Updates

Ensure that ImageMagick is kept up to date with the latest security patches to prevent exploitation of known vulnerabilities.