CVE-2017-6961 Information

Description

An issue was discovered in apng2gif 1.7. There is improper sanitization of user input causing huge memory allocations resulting in a crash. This is related to the read_chunk function using the pChunk-size value (within the PNG file) to determine the amount of memory to allocate.

CVSS Vector

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

Reference

https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=854441

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

5.5