CVE-2017-16796

Severity CVSS v4.0:

Pending analysis

Type:

CWE-119 Buffer Errors

Publication date:

12/11/2017

Last modified:

20/04/2025

Description

In SWFTools 0.9.2, the png_load function in lib/png.c does not check the return value of a realloc call, which allows remote attackers to cause a denial of service (invalid write and application crash) or possibly have unspecified other impact via vectors involving an IDAT tag in a crafted PNG file.

Impact

Vector 3.x

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 7.80 HIGH
Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x

7.80

Severity 3.x

HIGH

Vector 2.0

AV:N/AC:M/Au:N/C:P/I:P/A:P CVSS v2.0 Severity and Metrics:

Base Score: 6.80 MEDIUM
Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P

Attack Vector (AV): Network
Attack Complexity (AC): Medium
Authentication (Au): None
Confidentiality (C): Physical
Integrity (I): Physical
Availability (A): Physical