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CVE-2022-42475

Quick assessment

Affected
Fortinet FortiProxy
Exploitation
Confirmed exploitation in the wild; remediate immediately
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Fortinet FortiOS是美国飞塔（Fortinet）公司的一套专用于FortiGate网络安全平台上的安全操作系统。该系统为用户提供防火墙、防病毒、IPSec/SSLVPN、Web内容过滤和反垃圾邮件等多种安全功能。 Fortinet FortiOS 存在安全漏洞，该漏洞源于其SSL-VPN允许未经身份认证的远程攻击者通过精心制作的恶意请求实现堆缓冲区溢出导致任意代码或命令执行。

CVSS 9.3 · Critical KEV · Ransomware EPSS 99.47% · P100
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I. Basic Information for CVE-2022-42475

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A heap-based buffer overflow vulnerability [CWE-122] in FortiOS SSL-VPN 7.2.0 through 7.2.2, 7.0.0 through 7.0.8, 6.4.0 through 6.4.10, 6.2.0 through 6.2.11, 6.0.15 and earlier and FortiProxy SSL-VPN 7.2.0 through 7.2.1, 7.0.7 and earlier may allow a remote unauthenticated attacker to execute arbitrary code or commands via specifically crafted requests.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
数值截断错误
Source: CVE Program / CVE List V5
Vulnerability Title
Fortinet FortiOS 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Fortinet FortiOS是美国飞塔（Fortinet）公司的一套专用于FortiGate网络安全平台上的安全操作系统。该系统为用户提供防火墙、防病毒、IPSec/SSLVPN、Web内容过滤和反垃圾邮件等多种安全功能。 Fortinet FortiOS 存在安全漏洞，该漏洞源于其SSL-VPN允许未经身份认证的远程攻击者通过精心制作的恶意请求实现堆缓冲区溢出导致任意代码或命令执行。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

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Affected Products

Vendor Product Affected Versions CPE Subscribe
Fortinet FortiProxy 7.2.0 ~ 7.2.1 -
Fortinet FortiOS 7.2.0 ~ 7.2.2 -

II. Public POCs for CVE-2022-42475

# POC Description Source Link Shenlong Link
1 test for the ioc described for FG-IR-22-398 https://github.com/bryanster/ioc-cve-2022-42475 POC Details
2 POC code to exploit the Heap overflow in Fortinet's SSLVPN daemon https://github.com/scrt/cve-2022-42475 POC Details
3 FortiOS buffer overflow vulnerability https://github.com/Amir-hy/cve-2022-42475 POC Details
4 None https://github.com/Mustafa1986/cve-2022-42475-Fortinet POC Details
5 CVE-2022-42475 飞塔RCE漏洞 POC https://github.com/CKevens/CVE-2022-42475-RCE-POC POC Details
6 None https://github.com/natceil/cve-2022-42475 POC Details
7 An exploit for CVE-2022-42475, a pre-authentication heap overflow in Fortinet networking products https://github.com/0xhaggis/CVE-2022-42475 POC Details
8 CVE-2022-42475 飞塔RCE漏洞 POC https://github.com/3yujw7njai/CVE-2022-42475-RCE-POC POC Details
9 CVE-2022-42475 飞塔RCE漏洞 POC https://github.com/AiK1d/CVE-2022-42475-RCE-POC POC Details
10 CVE-2022-42475 飞塔RCE漏洞 POC https://github.com/P4x1s/CVE-2022-42475-RCE-POC POC Details
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III. Intelligence Information for CVE-2022-42475

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Vendor Advisories for CVE-2022-42475 (1)

IV. Related Vulnerabilities

Same product: FortiProxy
Same vendor: Fortinet
Same weakness: CWE-197

V. Comments for CVE-2022-42475

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