CVE-2018-7638

CVSS V2 Medium 6.8 CVSS V3 High 7.8

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.

Overview

CVE ID
CVE-2018-7638

Assigner
cve@mitre.org

Vulnerability Status
Modified

Published Version
2018-03-02T14:29:00

Last Modified Date
2020-11-02T21:15:15

Weakness Enumerations

CWE	URL
CWE-125	http://cwe.mitre.org/data/definitions/125.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
cpe:2.3:a:cimg:cimg:.220:::::::*	1	OR

CVSS Version 2

Version
2.0

Vector String
AV:N/AC:M/Au:N/C:P/I:P/A:P

Access Vector
NETWORK

Access Compatibility
MEDIUM

Authentication
NONE

Confidentiality Impact
PARTIAL

Integrity Impact
PARTIAL

Availability Impact
PARTIAL

Base Score
6.8

Severity
MEDIUM

Exploitability Score
8.6

Impact Score
6.4

CVSS Version 3

Version
3.0

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

Attack Vector
LOCAL

Attack Compatibility
LOW

Privileges Required
NONE

User Interaction
REQUIRED

Scope
UNCHANGED

Confidentiality Impact
HIGH

Availability Impact
HIGH

Base Score
7.8

Base Severity
HIGH

Exploitability Score
1.8

Impact Score
5.9

References

Reference URL	Reference Tags
https://github.com/dtschump/CImg/issues/185	Exploit Third Party Advisory
https://lists.debian.org/debian-lts-announce/2019/09/msg00030.html
https://lists.debian.org/debian-lts-announce/2020/10/msg00033.html

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2018-7638
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-7638

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 16:21:17				Added to TrackCVE
2022-12-03 02:55:45	2018-03-02T14:29Z	2018-03-02T14:29:00	CVE Published Date	updated
2022-12-03 02:55:45		2020-11-02T21:15:15	CVE Modified Date	updated
2022-12-03 02:55:45		Modified	Vulnerability Status	updated