CVE-2023-4255

Severity CVSS v4.0:

Pending analysis

Type:

CWE-787 Out-of-bounds Write

Publication date:

21/12/2023

Last modified:

23/03/2024

Description

An out-of-bounds write issue has been discovered in the backspace handling of the checkType() function in etc.c within the W3M application. This vulnerability is triggered by supplying a specially crafted HTML file to the w3m binary. Exploitation of this flaw could lead to application crashes, resulting in a denial of service condition.

Impact

Vector 3.x

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 5.50 MEDIUM
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

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

Base Score 3.x

5.50

Severity 3.x

MEDIUM

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:tats:w3m:0.5.3\+git20230121-1:::::::*
cpe:2.3:a:tats:w3m:0.5.3\+git20230121-2:::::::*
cpe:2.3:a:tats:w3m:0.5.3\+git20230129:::::::*
cpe:2.3:a:fedoraproject:extra_packages_for_enterprise_linux:8.0:::::::*
cpe:2.3:o:fedoraproject:fedora:39:::::::*

To consult the complete list of CPE names with products and versions, see this page

CPE	From	Up to
cpe:2.3:a:tats:w3m:0.5.3\+git20230121-1:::::::*
cpe:2.3:a:tats:w3m:0.5.3\+git20230121-2:::::::*
cpe:2.3:a:tats:w3m:0.5.3\+git20230129:::::::*
cpe:2.3:a:fedoraproject:extra_packages_for_enterprise_linux:8.0:::::::*
cpe:2.3:o:fedoraproject:fedora:39:::::::*

CVE-2023-4255

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools