PT-2023-1126 · Microsoft · Windows

Yuki Chen · Publicado 2023-01-10 · Atualizado 2024-05-29 · CVE-2023-21757

Positive Technologies (AI Summary)

CVSS v2.0

7.8

Alta

Vetor base

AV:N/AC:L/Au:N/C:N/I:N/A:C

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

Description The issue is related to the implementation of the Layer 2 Tunneling Protocol (L2TP) in Windows operating systems, specifically due to insufficient input validation. This can be exploited by a remote attacker to cause a denial of service.

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

DoS

RCE

NULL Pointer Dereference

Enumeração de Fraquezas

CWE-20

CWE-476

Identificadores relacionados

BDU:2023-00326

CVE-2023-21757

Produtos afetados

Windows

Referências · 10

• https://t.me/cibsecurity/56262 · Publicação no Telegram
• https://safe-surf.ru/specialists/bulletins-nkcki/688435 · Nota de Segurança
• https://osv.dev/vulnerability/CVE-2023-21757 · Aviso do Fabricante
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2023-21757 · Aviso do Fabricante
• https://cybersecurity-help.cz/vdb/SB2023011048 · Nota
• https://safe-surf.ru/specialists/bulletins-nkcki/688799 · Nota de Segurança
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21757 · Aviso do Fabricante
• https://nvd.nist.gov/vuln/detail/CVE-2023-21757 · Nota de Segurança
• https://bdu.fstec.ru/vul/2023-00326 · Nota de Segurança
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-21757 · Nota de Segurança