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CVE-2023-4255

nvd nist
Published: Dec 21, 2023Modified: Nov 21, 2024

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5.5
Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Exploitability: 1.8 / Impact: 3.6
Source: NVD

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.

Affected (5)

Tats
1 product
W3m
Fedoraproject
2 products
Extra Packages For Enterprise Linux
Fedora
Configuration A
3 vulnerable
Vulnerable SoftwareAffected Versions
Tats
W3m
Version 0.5.3+git20230121-1
W3m
Version 0.5.3+git20230121-2
W3m
Version 0.5.3+git20230129
Configuration B
2 vulnerable
Vulnerable SoftwareAffected Versions
Extra Packages For Enterprise Linux
Version 8.0
Fedora
Version 39

Related CWEs

CWE-787
Out-of-bounds Write
The product writes data past the end, or before the beginning, of the intended buffer.

References (14)

Source: secalert@redhat.com
Issue TrackingThird Party Advisory
Source: secalert@redhat.com
Patch
Source: secalert@redhat.com
ExploitIssue TrackingPatch
Source: secalert@redhat.com
Issue TrackingPatch
Source: secalert@redhat.com
Source: secalert@redhat.com
Source: secalert@redhat.com
Source: af854a3a-2127-422b-91ae-364da2661108
Issue TrackingThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Patch
Source: af854a3a-2127-422b-91ae-364da2661108
ExploitIssue TrackingPatch
Source: af854a3a-2127-422b-91ae-364da2661108
Issue TrackingPatch
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108

Timeline

No history available yet.