PT-2023-1570 · Fortinet · Fortiweb

Publicado 2023-02-16 · Atualizado 2023-02-24 · CVE-2021-42756

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 FortiWeb versions 5.x through 6.4

Description The issue is related to multiple stack-based buffer overflow vulnerabilities in the proxy daemon of FortiWeb, which may allow an unauthenticated remote attacker to achieve arbitrary code execution via specifically crafted HTTP requests. This can be exploited by sending specially crafted HTTP requests to the vulnerable system.

Recommendations For FortiWeb versions 5.x through 6.4, update to a version that contains a fix for this issue. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Stack Overflow

Memory Corruption

Enumeração de Fraquezas

CWE-121

CWE-787

Identificadores relacionados

BDU:2023-01037

CVE-2021-42756

Produtos afetados

Fortiweb

Referências · 9

• https://t.me/pentestingnews/33240 · Publicação no Telegram
• https://t.me/true_secator/4087 · Publicação no Telegram
• https://fortiguard.com/psirt/FG-IR-21-186 · Aviso do Fabricante
• https://t.me/ckure/12128 · Publicação no Telegram
• https://osv.dev/vulnerability/CVE-2021-42756 · Aviso do Fabricante
• https://t.me/cibsecurity/58360 · Publicação no Telegram
• https://t.me/cvenotify/44971 · Publicação no Telegram
• https://bdu.fstec.ru/vul/2023-01037 · Nota de Segurança
• https://nvd.nist.gov/vuln/detail/CVE-2021-42756 · Nota de Segurança