CVE-2017-16797 Information

Description

In SWFTools 0.9.2 the png_load function in lib/png.c does not properly validate an alloclen_64 multiplication of width and height values which allows remote attackers to cause a denial of service (integer overflow heap-based buffer overflow and application crash) or possibly have unspecified other impact via a crafted PNG file.

CVSS Vector

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Reference

https://github.com/matthiaskramm/swftools/issues/51

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

7.8