PT-2023-28417 · W3M+5 · W3M+5

Iskindar · Publicado 2015-12-01 · Atualizado 2025-10-20 · CVE-2023-4255

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Média

Vetor base

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

Name of the Vulnerable Software and Affected Versions W3M (affected versions not specified)

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 issue 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.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

DoS

Memory Corruption

Enumeração de Fraquezas

CWE-787

Identificadores relacionados

ALT-PU-2015-2043

ALT-PU-2020-3099

CVE-2023-4255

MGASA-2024-0105

SUSE-SU-2024:0014-1

SUSE-SU-2024_0014-1

USN-6580-1

Produtos afetados

Alt Linux

Debian

Linuxmint

Suse

Ubuntu

W3M

Referências · 29

• 🔥 https://github.com/tats/w3m/issues/268 · Exploit
• https://github.com/tats/w3m/commit/edc602651c506aeeb60544b55534dd1722a340d3 · Correção
• https://github.com/tats/w3m/pull/273 · Correção
• https://osv.dev/vulnerability/DEBIAN-CVE-2023-4255 · Aviso do Fabricante
• https://suse.com/support/update/announcement/2024/suse-su-20240014-1 · Nota
• https://advisories.mageia.org/MGASA-2024-0105.html · Nota de Segurança
• https://cve.org/CVERecord?id=CVE-2023-4255 · Nota de Segurança
• https://twitter.com/CVEnew/status/1737870450880090221 · Publicação no Twitter
• https://lists.fedoraproject.org/archives/list/[e-mail]/message/MKFZQUK7FPWWJQYICDZZ4YWIPUPQ2D3R · Aviso do Fabricante
• https://t.me/avleonovcom/1201 · Publicação no Telegram
• https://lists.fedoraproject.org/archives/list/[e-mail]/message/TODROGVCWZ435HQIZE6ARQC5LPQLIA5C · Aviso do Fabricante
• https://osv.dev/vulnerability/UBUNTU-CVE-2023-4255 · Aviso do Fabricante
• https://bugs.mageia.org/show_bug.cgi?id=33027 · Nota
• https://ubuntu.com/security/CVE-2023-4255 · Aviso do Fabricante
• https://t.me/cvenotify/74758 · Publicação no Telegram