CVE-2018-7638 Information

Description

An issue was discovered in CImg v.220. A heap-based buffer over-read in load_bmp in CImg.h occurs when loading a crafted bmp image a different vulnerability than CVE-2018-7588. This is in a \256 colors\ case aka case 8.

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/dtschump/CImg/issues/185 https://lists.debian.org/debian-lts-announce/2019/09/msg00030.html https://lists.debian.org/debian-lts-announce/2020/10/msg00033.html

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