CVE-2023-27997
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I. Basic Information for CVE-2023-27997
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
A heap-based buffer overflow vulnerability [CWE-122] in FortiOS version 7.2.4 and below, version 7.0.11 and below, version 6.4.12 and below, version 6.0.16 and below and FortiProxy version 7.2.3 and below, version 7.0.9 and below, version 2.0.12 and below, version 1.2 all versions, version 1.1 all versions SSL-VPN may allow a remote attacker to execute arbitrary code or commands via specifically crafted requests.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
堆缓冲区溢出
Source: NVD (National Vulnerability Database)
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，该漏洞源于基于堆的缓冲区溢出漏洞。
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)
Shenlong Deep Dive — AI Deep Analysis
10-question deep dive: root cause, exploitation, mitigation, urgency. Read summary free, full version requires login.
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Fortinet | FortiOS-6K7K | 7.0.10 | - | |
| Fortinet | FortiProxy | 7.2.0 ~ 7.2.3 | - | |
| Fortinet | FortiOS | 7.2.0 ~ 7.2.4 | - |
II. Public POCs for CVE-2023-27997
| # | POC Description | Source Link | Shenlong Link |
|---|---|---|---|
| 1 | cve-2023-27997 | https://github.com/Pik-sec/cve-2023-27997 | POC Details |
| 2 | POC FortiOS SSL-VPN buffer overflow vulnerability | https://github.com/rio128128/CVE-2023-27997-POC | POC Details |
| 3 | Safely detect whether a FortiGate SSL VPN instance is vulnerable to CVE-2023-27997 based on response timing | https://github.com/BishopFox/CVE-2023-27997-check | POC Details |
| 4 | None | https://github.com/imbas007/CVE-2023-27997-Check | POC Details |
| 5 | None | https://github.com/puckiestyle/cve-2023-27997 | POC Details |
| 6 | Search vulnerable FortiOS devices via Shodan (CVE-2023-27997) | https://github.com/TechinsightsPro/ShodanFortiOS | POC Details |
| 7 | xortigate-cve-2023-27997 | https://github.com/lexfo/xortigate-cve-2023-27997 | POC Details |
| 8 | None | https://github.com/delsploit/CVE-2023-27997 | POC Details |
| 9 | A short tutorial about how to find and verify FortiOS vulnerablility. | https://github.com/awchjimmy/CVE-2023-27997-tutorial | POC Details |
| 10 | Fortigate SSL VPN buffer overflow exploit | https://github.com/node011/CVE-2023-27997-POC | POC Details |
| 11 | FortiGate SSL-VPN CVE-2023-27997 Exploit PoC Script with ROP Chain | https://github.com/onurkerembozkurt/fgt-cve-2023-27997-exploit | POC Details |
AI-Generated POCPremium
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Same Patch Batch · Fortinet · 2023-06-13 · 18 CVEs total
| CVE-2022-42478 | 8.1 HIGH | Fortinet FortiSIEM 安全漏洞 |
| CVE-2023-26210 | 7.8 HIGH | Fortinet FortiADC 操作系统命令注入漏洞 |
| CVE-2022-41327 | 7.6 HIGH | Fortinet FortiOS 安全漏洞 |
| CVE-2023-22633 | 7.2 HIGH | Fortinet FortiNAC 安全漏洞 |
| CVE-2022-39946 | 7.2 HIGH | Fortinet FortiNAC 安全漏洞 |
| CVE-2022-33877 | 6.8 MEDIUM | Fortinet FortiClient 安全漏洞 |
| CVE-2022-43953 | 6.3 MEDIUM | Fortinet FortiOS 格式化字符串错误漏洞 |
| CVE-2023-22639 | 6.3 MEDIUM | Fortinet FortiOS 缓冲区错误漏洞 |
| CVE-2023-28000 | 6.3 MEDIUM | Fortinet FortiADC 操作系统命令注入漏洞 |
| CVE-2022-42474 | 6.2 MEDIUM | 多款Fortinet产品 路径遍历漏洞 |
| CVE-2022-43949 | 5.9 MEDIUM | Fortinet FortiSIEM 加密问题漏洞 |
| CVE-2023-33305 | 4.9 MEDIUM | Fortinet FortiOS 安全漏洞 |
| CVE-2023-29175 | 4.4 MEDIUM | Fortinet FortiOS 信任管理问题漏洞 |
| CVE-2023-25609 | 4.2 MEDIUM | Fortinet FortiManager 代码问题漏洞 |
| CVE-2023-29178 | 4.1 MEDIUM | Fortinet FortiProxy 缓冲区错误漏洞 |
| CVE-2023-26204 | 3.6 LOW | Fortinet FortiSIEM 安全漏洞 |
| CVE-2023-26207 | 3.3 LOW | Fortinet FortiOS 日志信息泄露漏洞 |
IV. Related Vulnerabilities
Same weakness: CWE-122
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Pillow: Heap buffer overflow with nested list coordinates - CVE-2026-45130
Vim: Heap Buffer Overflow in spell file loading
V. Comments for CVE-2023-27997
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