SB2018091002 - Denial of service in ImageMagick

Description

This security bulletin contains information about 2 secuirty vulnerabilities.

1) Memory leak (CVE-ID: CVE-2018-16750)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to memory leak within the formatIPTCfromBuffer() function in coders/meta.c. A remote attacker can perform a denial of service attack via a specially crafted image file.

2) Reachable Assertion (CVE-ID: CVE-2018-16749)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a missing NULL check in ReadOneJNGImage() function in coders/png.c. A remote attacker can trigger an assertion failure with a specially crafted image file and crash the vulnerable application.

Remediation

Install update from vendor's website.

References

• https://github.com/ImageMagick/ImageMagick/issues/1118
• https://github.com/ImageMagick/ImageMagick/issues/1119
• https://github.com/ImageMagick/ImageMagick6/commit/1007b98f8795ad4bea6bc5f68a32d83e982fdae4