CVE-2017-16546 Information

Description

The ReadWPGImage function in coders/wpg.c in ImageMagick 7.0.7-9 does not properly validate the colormap index in a WPG palette which allows remote attackers to cause a denial of service (use of uninitialized data or invalid memory allocation) or possibly have unspecified other impact via a malformed WPG file.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Reference

https://github.com/ImageMagick/ImageMagick/commit/2130bf6f89ded32ef0c88a11694f107c52566c53 https://github.com/ImageMagick/ImageMagick/commit/e04cf3e9524f50ca336253513d977224e083b816 https://github.com/ImageMagick/ImageMagick/issues/851 https://usn.ubuntu.com/3681-1/ https://www.debian.org/security/2017/dsa-4040 https://www.debian.org/security/2017/dsa-4074

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

8.8