PT-2023-7333 · Zyxel · Zyxel Nas542+1

Gábor Selján · Publicado 2023-11-30 · Atualizado 2024-04-30 · CVE-2023-4474

Positive Technologies (AI Summary)

CVSS v2.0

10

Crítica

Vetor base

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

Name of the Vulnerable Software and Affected Versions Zyxel NAS326 version V5.21(AAZF.14)C0 Zyxel NAS542 version V5.21(ABAG.11)C0

Description The issue arises from the improper neutralization of special elements in the WSGI server, allowing an unauthenticated attacker to execute some operating system commands by sending a crafted URL to a vulnerable device. This could enable a remote attacker to execute arbitrary OS commands.

Recommendations For Zyxel NAS326 version V5.21(AAZF.14)C0, consider disabling the WSGI server until a patch is available. For Zyxel NAS542 version V5.21(ABAG.11)C0, consider disabling the WSGI server until a patch is available. As a temporary workaround, avoid using the vulnerable WSGI server functionality until the issue is resolved.

Correção

OS Command Injection

Enumeração de Fraquezas

CWE-78

Identificadores relacionados

BDU:2023-08363

CVE-2023-4474

Produtos afetados

Zyxel Nas326

Zyxel Nas542

Referências · 15

• https://t.me/cvenotify/61657 · Publicação no Telegram
• https://t.me/cvenotify/62350 · Publicação no Telegram
• https://bugprove.com/knowledge-hub/cve-2023-4473-and-cve-2023-4474-authentication-bypass-and-multiple-blind-os-command-injection-vulnerabilities-in-zyxel-s-nas-326-devices · Nota
• https://t.me/cvenotify/62439 · Publicação no Telegram
• https://t.me/cvenotify/62438 · Publicação no Telegram
• https://bdu.fstec.ru/vul/2023-08363 · Nota de Segurança
• https://t.me/true_secator/5152 · Publicação no Telegram
• https://nvd.nist.gov/vuln/detail/CVE-2023-4474 · Nota de Segurança
• https://twitter.com/sans_isc/status/1785328552990138803 · Publicação no Twitter
• https://twitter.com/reverseame/status/1760929995864605116 · Publicação no Twitter
• https://zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-authentication-bypass-and-command-injection-vulnerabilities-in-nas-products · Aviso do Fabricante
• https://t.me/secharvester/14838 · Publicação no Telegram
• https://t.me/thebugbountyhunter/8091 · Publicação no Telegram
• https://osv.dev/vulnerability/CVE-2023-4474 · Aviso do Fabricante
• https://twitter.com/IT_securitynews/status/1785331590475685916 · Publicação no Twitter