Null Pointer Dereference in ImageMagick

Executive Summary

This vulnerability exists in ImageMagick, a free and open-source software used for editing and manipulating digital images. Prior to versions 6.9.13-50 and 7.1.2-25, if incorrect arguments are passed to the distort operation, it causes a null pointer dereference. This means the software tries to access or use a memory location that is not properly initialized, which can lead to a crash or unexpected behavior. The issue has been fixed in the specified patched versions.

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Impact Analysis

The impact of this vulnerability is primarily a denial of service. Because the null pointer dereference can cause the ImageMagick process to crash, an attacker could potentially cause the software to become unavailable or unstable by supplying malformed input to the distort operation. According to the CVSS score, this vulnerability does not affect confidentiality or integrity, but it does affect availability.

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Mitigation Strategies

To mitigate this vulnerability, you should update ImageMagick to version 6.9.13-50 or later, or version 7.1.2-25 or later, where the issue has been patched.

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Compliance Impact

The vulnerability in ImageMagick causes a null pointer dereference leading to a denial of service condition (availability impact only). It does not affect confidentiality or integrity of data.

Since the vulnerability does not impact confidentiality or integrity, it is unlikely to directly affect compliance with data protection standards such as GDPR or HIPAA, which primarily focus on protecting personal data confidentiality and integrity.

However, the availability impact could indirectly affect compliance if the affected systems are critical for processing or accessing regulated data, as availability is also a component of these standards.

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