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CVE-2023-22917

Quick assessment

Affected
Zyxel ATP series firmware
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Zyxel ATP是中国合勤（Zyxel）公司的一款防火墙。 Zyxel ATP系列5.10至5.35 固件版本、USG FLEX系列5.00至5.35固件版本、USG FLEX 50（W）5.10至5.35固件版本、USG20（W）-VPN 5.10至5.35 固件版本以及VPN系列5.00至5.35 固件版本存在安全漏洞，该漏洞源于sdwan_iface_ipc二进制文件中存在缓冲区溢出。攻击者利用该漏洞通过上传特制的配置文件，引发带有请求错误消息的核心转储。

CVSS 7.5 · High EPSS 0.88% · P58

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2023-22917

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A buffer overflow vulnerability in the “sdwan_iface_ipc” binary of Zyxel ATP series firmware versions 5.10 through 5.32, USG FLEX series firmware versions 5.00 through 5.32, USG FLEX 50(W) firmware versions 5.10 through 5.32, USG20(W)-VPN firmware versions 5.10 through 5.32, and VPN series firmware versions 5.00 through 5.35, which could allow a remote unauthenticated attacker to cause a core dump with a request error message on a vulnerable device by uploading a crafted configuration file.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
未进行输入大小检查的缓冲区拷贝(传统缓冲区溢出)
Source: CVE Program / CVE List V5
Vulnerability Title
Zyxel ATP 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Zyxel ATP是中国合勤（Zyxel）公司的一款防火墙。 Zyxel ATP系列5.10至5.35 固件版本、USG FLEX系列5.00至5.35固件版本、USG FLEX 50（W）5.10至5.35固件版本、USG20（W）-VPN 5.10至5.35 固件版本以及VPN系列5.00至5.35 固件版本存在安全漏洞，该漏洞源于sdwan_iface_ipc二进制文件中存在缓冲区溢出。攻击者利用该漏洞通过上传特制的配置文件，引发带有请求错误消息的核心转储。
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)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Zyxel ATP series firmware 5.10 through 5.32 -
Zyxel USG FLEX series firmware 5.00 through 5.32 -
Zyxel USG FLEX 50(W) firmware 5.10 through 5.32 -
Zyxel USG20(W)-VPN firmware 5.10 through 5.32 -
Zyxel VPN series firmware 5.00 through 5.35 -

II. Public POCs for CVE-2023-22917

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III. Intelligence Information for CVE-2023-22917

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Other References for CVE-2023-22917 (1)

Same Patch Batch · Zyxel · 2023-04-24 · 8 CVEs total

CVE-2023-27991 8.8 HIGH Zyxel ATP 操作系统命令注入漏洞
CVE-2023-22916 8.1 HIGH Zyxel ATP 安全漏洞
CVE-2023-22913 8.1 HIGH Zyxel USG FLEX 命令注入漏洞
CVE-2023-22915 7.5 HIGH Zyxel USG FLEX 安全漏洞
CVE-2023-22914 7.2 HIGH Zyxel USG FLEX 路径遍历漏洞
CVE-2023-22918 6.5 MEDIUM Zyxel ATP 安全漏洞
CVE-2023-27990 4.8 MEDIUM Zyxel ATP 跨站脚本漏洞

IV. Related Vulnerabilities

Same product: ATP series firmware
Same vendor: Zyxel
Same weakness: CWE-120

V. Comments for CVE-2023-22917

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